hello.
This year, the weather is so hot that even the word steaming heat is not enough.
Suddenly, while working in the office, an error code appeared on the air conditioner.
First, check the error code below, and then contact the Samsung Electronics service center to receive A/S. 삼성 에어컨 에러코드
1. Go to Reservation for Business Trip Service
A service that can be used by both members and non-members, and visits the desired location on a business trip 좋은뉴스
https://www.samsungsvc.co.kr/reserve/resEngineer/reserveView.do
2. Request for ARS breakdown consultation
You can also receive the same service by calling the Samsung Electronics Service Center customer center number 1588-3366.
Samsung system air conditioner error code table.
CODE
error content
E101
“DVM, DPM, DVS: Indoor/outdoor unit communication error (if not received from indoor unit), SINGLE: Communication error between indoor unit panel and main” After checking the communication line connection status, reset the power
E102
Outdoor unit -> communication failure Communication error sent to indoor unit After checking the communication line connection status, power reset
E103
Communication error between the indoor unit panel and the main power reset after checking the communication cable connection
E104
[GHP-R22] Communication error between “Indoor-Host” and “Indoor-Intensive” Reset the power after checking the communication line connection status
E105
Communication error between space detection module and indoor unit Check connection status between space detection module and indoor unit
E106
Communication error between LCD and panel Check the communication line connection status and reset power
E107
Communication error between LCD and outdoor unit After checking the communication line connection, reset the power
E108
Set Address Duplicate Error After resetting the address of the installation device, K3 reset
E109
Indoor unit address incomplete communication error After checking the indoor/outdoor unit communication line connection status, the number of installed outdoor units, and the indoor unit address setting status, K3 resets
E110
Communication undetected error between HTU and Control Kit (detected by Control Kit) Power reset after checking communication line connection
E121
ROOM temperature sensor of indoor unit short/open
E122
Eva_in sensor short/open of indoor unit
E123
Eva_out sensor short/open of indoor unit
E124
Indoor communication error (indoor unit → outdoor unit communication error is displayed on the outdoor unit) After checking the communication line connection status, reset the power
E125
Eva_mid2 sensor short/open in indoor unit
E126
Indoor unit Indoor discharge temperature sensor short/open
E127
[GHP-R22] Room temperature (suction temperature) sensor deviation error Inspect the suction temperature sensor, check the connector connection
E128
Indoor Eva_in sensor separation error “Check indoor unit heat exchanger in sensor separation, indoor unit heat exchanger in sensor holder attachment”
E129
Indoor Eva_out sensor separation error “Check indoor unit heat exchanger out sensor separation, indoor unit heat exchanger out sensor holder installation confirmation”
E130
Indoor Eva_in, out sensor simultaneous detachment error “Confirm indoor unit heat exchanger in, out sensor separation, indoor unit heat exchanger in, out sensor holder attachment”
E131
Auxiliary (electric) heater sensor 1 error
E132
Auxiliary (electric) heater sensor 2 error
E133
Auxiliary (electric) heater sensor 3 error
E134
Shutter sensor error (top error when there are two shutter models: Aurora)
E135
Perfect fan (clean fan) sensor error
E136
Shutter sensor error (bottom error when there are two shutter models: Aurora)
E137
VOC SENSOR OPEN/SHORT ERROR
E138
GAS SENSOR OPEN/SHORT ERROR
E139
ERV CO2 SENSOR OPEN/SHORT ERROR
E140
Indoor Dust sensor Error
E141
IAQ CO2 SENSOR OPEN/SHORT ERROR
E142
Indoor Unit Humid Sensor short/open
E143
Spatial sensor error
E144
Eva2_in sensor short/open of indoor unit
E145
Eva2_out sensor short/open in indoor unit
E146
EEV Inlet sensor short/open
E147
Indoor Eva2_in sensor separation error “Confirm indoor unit heat exchanger Eva2_in sensor separation, indoor unit heat exchanger Eva_2in sensor holder installation confirmation”
E148
Indoor Eva2_out sensor separation error “Confirm indoor unit heat exchanger Eva2_out sensor separation, indoor unit heat exchanger Eva_2 out sensor holder installation confirmation”
E149
AHU Master indoor unit indoor sensor setting error
E150
RESERVED (DMS-SNET3 error)
E151
Indoor gearbox open failure 2nd “Check the PCB connection of the gearbox wire
Check the connection status of the gearbox coil, check coil external rust, coil break/short circuit, outdoor unit reset (K3) and indoor unit power reset, then recheck whether or not an error has occurred, replace the gearbox if a malfunction is confirmed”
E152
Indoor transmission variable closed failure 2nd ” Check the PCB connection of the transmission wire
Check the connection status of the transmission coil, rust on the outside of the coil, check for disconnection/short circuit inside the coil, and replace the transmission when a malfunction is confirmed.”
E153
Indoor float s/w secondary detection “Indoor unit floating sensor disconnection check, drain pump disconnection check, drain pump failure”
E154
indoor fan error
E155
Indoor fan 2 error
E156
Indoor electric valve (EEV2) open failure 2nd “Check the connection of the electric valve wire to the PCB, check the coil connection status, rust outside the coil, check the disconnection/short circuit inside the coil, and an error occurred after resetting the outdoor unit (K3) and power resetting the indoor unit Recheck whether or not, and replace the transmission when a malfunction is confirmed”
E157
Indoor electric variable (EEV2) closed failure 2nd “Check the connection of the electric variable wire to the PCB, check the coil connection status, rust on the outside of the coil, check the disconnection/short circuit inside the coil, reset the outdoor unit (K3) and reset the power to the indoor unit, and then an error occurs Recheck whether or not, and replace the transmission when a malfunction is confirmed”
E158
UDoor top drive error
E159
UDoor bottom drive error
E160
Indoor unit pump restraint error Check indoor drain pump operation
E161
Mixed operation error “Applies only to Heat Pump model (HR model has no mixed operation error), it is caused by an incorrect indoor unit operation command, and the indoor unit is stopped or the operation mode is changed”
E162
EEPROM Error “Replace EEPROM (removable), replace PBA (non-removable)”
E163
EEEPROM OPTION SETTING ERROR Reset the corresponding indoor unit option
E164
Error related to special consumption tax Check indoor unit option code
E165
Electric heater discharge temperature protection error Check protection sensor short/open
E166
No wind error related to electric heater
E167
Option DIP S/W setting error using peripheral control devices of the indoor unit Check if the Dip Switch option setting of the indoor unit PBA is the setting to use the connected controller and reset it
E168
IAQ Safety S/W Open Error
E169
AHU EEV failure detection error AHU KIT EEV malfunction or leakage check
E170
Fahrenheit/Celsius setting mixed use error (occurs in the indoor unit set to Celsius) After checking the Fahrenheit/Celsius setting of the indoor unit, reset to the option suitable for the indoor unit
E171
Common indoor unit Mid sensor error (indoor unit after 2010)
E172
Piping In Departure
E173
Piping Out
E174
ERV+ heat exchanger suction temperature sensor short/open
E175
Indoor unit built-in outdoor temperature sensor short/open error
E176
Indoor fan 3 error
E177
Error generating emergency signal in hydro box Check contact of Hydro box PBA Emergency terminal
E178
Data Flash H/W Error
E180
Simultaneous opening of MCU SOL Valve cooling/heating 1st “Check the MCU SOL VALVE connector, check the coil connection status of the MCU SOL VALVE, check the operating status of the MCU SOL VALVE BODY”
E181
Simultaneous opening of MCU SOL Valve cooling/heating 2nd “Check MCU SOL VALVE connector, check coil connection status of MCU SOL VALVE, check MCU SOL VALVE BODY operation status”
E182
Indoor Humidity Sensor Error (ERV)
E183
Outdoor humidity sensor error (ERV)
E185
Wrong wiring error when inserting the power line into the communication line of the indoor unit
E186
Abnormal sMPI (SPI) Feedback
E187
K1Filter Feedback error
E190
No change in Eva_in temperature or incorrect indoor unit’s Eva_in temperature during pipe inspection “Check whether the refrigerant pipe connected to the MCU and the indoor unit address match, check the MCU Dip Switch setting”
E191
No change in Eva_out temperature during pipe inspection or incorrect Eva_out temperature change in indoor unit “Check whether the address of the refrigerant pipe connected to the MCU and the indoor unit match.
E192
Indoor unit COVER OPEN (indoor unit safety switch)
E193
Indoor Panel Zero-Crossing Error
E194
Indoor Main Zero-Crossing Error
E195
IAQ Safety S/W Open Error
E198
Thermal Fuse error (error occurs when terminal block temperature rises)
E199
Indication of pipe inspection non-progress status Error
E201
When tracking is completed 5 times, error in the number of indoor unit settings (disconnection of some indoor units) Check the communication line connection status of each indoor unit
E202
System down due to communication error after tracking completion (all indoor units disconnected) Check the indoor/outdoor unit communication line connection status
E203
Communication error between outdoor unit MAIN– SUB “Replace power reset PBA after checking communication line connection status”
E204
When completed after tracking 5 times, the number of MCU communicated with the setting MCU does not match. Unused
E205
Outdoor unit Inv Micom — Communication error with outdoor unit Fan Motor Micom “Main-H
Check ub connection line, check Hub-Fan connection line, check Fan-Inverter connection line”
E206
Communication error between outdoor unit Main PBA and load PBA “Check DVM Plus4 Up for domestic/DVM Plus4 for Europe, Main-Hub connection line. Check Hub PBA error
E210
Unable to communicate with MCU for more than 2 minutes. Power reset after checking communication line connection
E211
When using two branches in one indoor unit, they are not connected consecutively. Check the MCU Y-Joint connection and the indoor unit address setting.
E212
Displays when the rotary switch for setting the address of the indoor unit connected to the branch is set to the same address three or more times. Check the MCU Y-Joint connection and indoor unit address setting.
E213
The number of indoor units registered in the MCU and the number of installed indoor units are the same, but if there is an indoor unit that is not installed among the indoor unit addresses registered in the MCU, it is displayed.
E214
“Indicates if the number of MCUs is set incorrectly in the outdoor unit
When two or more MCUs are connected, if they have the same address, it is displayed.” Check if the number of MCUs in the outdoor unit setting switch and the number of installed MCUs match.
E215
Displays when the address value of the rotary switch of an MCU branch is the same as the address value of the rotary switch of another MCU branch. “Check address setting between MCU and indoor, check wiring status between MCU and indoor
E216
Displays when the basin switch is turned ON even though the basin is not connected to the indoor unit.
E217
Displays when the branch area and the indoor unit are connected but the indoor unit is registered with the branch area switch turned off.
E218
Indicates if the number of installed indoor units is greater than the number of indoor units registered in the MCU by one or more
E219
MCU Supercooling In Sensor Open/Short
E220
MCU Supercooling Out Sensor Open/Short
E221
“OUT TEMP SENSOR ERROR (OPEN/SHORT)
– ERROR LEVEL: More than 4.9V (-50 degrees), less than 0.4V (93 degrees)”
E224
Water Temprature SENSOR ERROR (OPEN/SHORT)
E225
Control box SENSOR ERROR (OPEN/SHORT)
E226
OUT_TEMP temperature sensor deviation error Check OUT_TEMP temperature sensor deviation
E231
” COND_OUT Main TEMP SENSOR ERROR (OPEN/SHORT)
– ERROR LEVEL: More than 4.9V (-50 degrees), less than 0.4V (93 degrees)”
E236
” COND_OUT Sub1 TEMP SENSOR ERROR (OPEN/SHORT)
– ERROR LEVEL: More than 4.9V (-50 degrees), less than 0.4V (93 degrees)”
E237
” COND TEMP SENSOR ERROR (OPEN/SHORT)
– ERROR LEVEL: More than 4.9V (-50 degrees), less than 0.4V (93 degrees)”
E241
COND_MID or COND OUT sensor deviation error of outdoor unit. Check the COND_MID or COND OUT sensor of the outdoor unit
E242
Outdoor unit heater error
E246
COND_OUT 1 Exit COND_OUT 1 Check Out
E251
“PWM DISCHARGE TEMP SENSOR ERROR (OPEN/SHORT)
-ERROR detection condition: detection at outdoor temperature of -10 degrees or more
-ERROR LEVEL: 4.95V (-30’C) or more, less than 0.5V (151’C)”
E256
“Constant speed compressor 1 DCHRG SENSOR ERROR (OPEN/SHORT)
-ERROR detection condition: detection at outdoor temperature of -10 degrees or more
-ERROR LEVEL: 4.95V (-30’C) or more, less than 0.5V (151’C)”
E257
” Constant speed compressor 2 DCHRG SENSOR ERROR (OPEN/SHORT)
-ERROR detection condition: detection at outdoor temperature of -10 degrees or more
-ERROR LEVEL: 4.95V (-30’C) or more, less than 0.5V (151’C)”
E258
“Constant speed compressor 3 DCHRG SENSOR ERROR (OPEN/SHORT)
-ERROR detection condition: detection at outdoor temperature of -10 degrees or more
-ERROR LEVEL: 4.95V (-30’C) or more, less than 0.5V (151’C)”
E261
Digital_discharge sensor deviation error Digital Comp discharge sensor deviation check
E262
Fixd 1_discharge sensor deviation error Fixed 1 Comp discharge sensor deviation check
E263
Fixd 2_discharge sensor deviation error Fixed 2 Comp discharge sensor deviation check
E264
Fixd 3_discharge sensor deviation error Fixed 3 Comp discharge sensor deviation check
E265
SUMP sensor deviation (Main) Check main Comp SUMP sensor deviation
E266
SUMP sensor deviation (Sub1) Sub1 Comp SUMP sensor deviation confirmation
E267
SUMP sensor deviation (Sub2) Sub2 Comp SUMP sensor deviation confirmation
E268
Departure of SSUMP sensor (sub 3) “Check the fixed position of the sump sensor
Check the sump sensor connection circuit and check if the sensor is abnormal
Check Sump sensor wire disconnection and PCB connection status”
E269
Separation of SUCTION sensor “Check the fixed location of the suction sensor
Check the suction sensor connection circuit and check if the sensor is abnormal
Check the suction sensor wire disconnection and PCB connection status”
E271
Sump_Temp Digital SENSOR ERROR (OPEN/SHORT)
Error detection conditions: detection at outdoor temperature of -10 degrees or more
Error Level: More than 4.95V (-30 degrees), less than 0.5V (151 degrees)
E276
Sump_Temp FIXED 1 SENSOR ERROR (OPEN/SHORT)
Error detection conditions: detection at outdoor temperature of -10 degrees or more
Error Level: More than 4.95V (-30 degrees), less than 0.5V (151 degrees)
E277
Sump_Temp FIXED 2 SENSOR ERROR (OPEN/SHORT)
Error detection conditions: detection at outdoor temperature of -10 degrees or more
Error Level: More than 4.95V (-30 degrees), less than 0.5V (151 degrees)
E278
Sump_Temp FIXED 3 SENSOR ERROR (OPEN/SHORT)
Error detection conditions: detection at outdoor temperature of -10 degrees or more
Error Level: More than 4.95V (-30 degrees), less than 0.5V (151 degrees)
E291
High pressure SENSOR ERROR (OPEN/SHORT) detected only when the compressor starts
E296
Detect low pressure SENSOR ERROR (OPEN/SHORT) only when the compressor starts
E301
High pressure sensor separation error
E306
Low pressure sensor deviation error
E307
Oil level sensor SHORT/OPEN
E308
SUCTION SENSOR SHORT/OPEN
E309
Oil equalization sensor 2 sensor SHORT/OPEN
E310
Oil equalization sensor 3 sensor SHORT/OPEN
E311
Double Tube Sensor SHORT/OPEN
E312
Main Cooling Sol Valve Open Error
E313
4-Way Valve Operation Error
E314
Oil equalization sensor 4 sensor SHORT/OPEN
E315
CT1 sensor temperature SHORT/OPEN
E316
CT2 sensor temperature SHORT/OPEN
E317
CT3 sensor temperature SHORT/OPEN
E320
OLP SensorSHORT/OPEN
E321
EVI INLET SENSOR SHORT/OPEN
E322
EVI OUTLET SENSOR SHORT/OPEN
E332
Outdoor No. 2 pipe inlet sensor disconnection (TA_2) “Check the fixed position of the outdoor No. 2 pipe inlet sensor attachment, check the outdoor No. 2 pipe inlet sensor connection circuit and check if the sensor is abnormal, check the outdoor No. 2 pipe inlet sensor wire disconnection and PCB connection status ”
E333
Outdoor No. 3 pipe inlet sensor disconnection (TA_3) “Check the fixed position of the outdoor No. 3 pipe inlet sensor attachment, check the outdoor No. 3 pipe inlet sensor connection circuit and check if the sensor is abnormal, check the outdoor No. 3 pipe inlet sensor wire disconnection and PCB connection status ”
E334
Outdoor No. 4 pipe inlet sensor disconnection (TA_4) “Check the fixed position of the outdoor No. 4 pipe inlet sensor attachment, check the connection circuit of the outdoor No. 4 pipe inlet sensor and check if there is an error in the sensor, check the sensor wire disconnection and PCB connection status of the outdoor No. 4 pipe inlet sensor ”
E335
Outdoor #0 pipe outlet sensor disconnection (TB_0) “Check the fixed position of the outdoor #0 pipe exit sensor, check the outdoor #0 pipe exit sensor connection circuit and check if the sensor is abnormal, check the outdoor #0 pipe exit sensor wire disconnection and PCB connection status ”
E336
Outdoor #1 pipe outlet sensor disconnection (TB_1) “Check the fixed position of the outdoor #1 pipe outlet sensor attachment, check the outdoor #1 pipe exit sensor connection circuit and check if the sensor is abnormal, check the outdoor #1 pipe exit sensor wire disconnection and PCB connection status ”
E337
Outdoor #2 pipe outlet sensor disconnection (TB_2) “Check the fixed position of the outdoor #2 pipe exit sensor, check the outdoor #2 pipe outlet sensor connection circuit and check if there is a sensor error, check the outdoor #2 pipe exit sensor wire disconnection and PCB connection status ”
E338
Outlet sensor of outdoor #3 pipe exit (TB_3) “Check the fixed position of the sensor at the outlet of pipe #3 outdoor, check the connection circuit of the outdoor pipe #3 outlet sensor and check if the sensor is abnormal, check the wire disconnection of the outdoor pipe exit sensor wire and PCB connection status ”
E339
Outdoor #4 pipe outlet sensor disconnection (TB_4) “Check the fixed position of the outdoor #4 pipe outlet sensor attachment, check the outdoor #4 pipe exit sensor connection circuit and check if the sensor is abnormal, check the outdoor #4 pipe exit sensor wire disconnection and PCB connection status ”
E346
Fan controller 2 Fan startup failure
E347
Fan controller 2 wire unconnected
E348
Fan controller 2 lock error
E353
Outdoor fan 2 Overheat Error
E355
Outdoor fan 2 IPM (Internal PCB Module) Overheat Error
E361
Inverter 2 compressor start failure or CT1 low current
E364
Inverter 2 DC Peak Compressor Stop
E365
Inverter 2 compressor overload stop (over 30A)
E366
Inverter 2 DC Link Voltage 150V or less 410V or more
E367
Inverter 2 Compressor Rotation Error or Compressor Wire Unsettled
E368
Inverter 2 Comp current sensor error
E369
Inverter 2 DC Link sensor error
E371
Inverter 2 outdoor unit EEPROM Read/Write error (OTP error)
E374
Inverter 2 heatsink temperature sensor error
E378
Outdoor fan 2 IPM H/W OC
E385
Inverter 2 Input Current Sensor Error
E387
Outdoor fan 2 Hall Sensor Error
E388
Inverter 2 input voltage sensor error
E389
Outdoor fan #2 overload stop
E391
Fan Controller 2 EEPROM Read/Write Error
E393
Fan controller 2 current sensor error
E396
Fan controller 2 DC Link sensor error
E399
Fan controller 2 heatsink temperature sensor error
E400
Inverter 2 IPM Overheat Error for Inverter COMP
E401
Outdoor freeze detection 1
E402
Outdoor freeze detection 2
E403
Outdoor freeze detection 3 – Freeze COMP DOWN
E404
Outdoor overload 1 protection control error
E405
Outdoor overload 2 protection control error
E406
Outdoor overload 3 protection control error
E407
Compressor down due to high pressure sensor protection control 1 “Check pipe clogging, check high pressure sensor abnormalities, check refrigerant amount”
E408
Compressor down due to high pressure sensor protection control 2
E409
Compressor down due to high pressure sensor protection control 2
E410
Compressor down due to low pressure sensor protection control 1 “Check low pressure sensor abnormality, check refrigerant amount (leakage check)”
E411
Compressor down due to low pressure sensor protection control 2
E412
Compressor down due to low pressure sensor protection control 3
E413
Outdoor SUMP DOWN_1 Protection Control “Check the fixed location of the sump sensor, check the amount of refrigerant”
E414
Outdoor SUMP DOWN_2 protection control
E415
Outdoor SUMP DOWN_3 protection control
E416
Outdoor discharge temperature_1 protection control “Discharge 1/TOP 1 sensor resistance check, service valve OPEN check, manifold gauge value and S-net high/low pressure value comparison: high/low pressure sensor failure, indoor/outdoor EEV operation Check, check for clogged filters in pipes, etc.”
E417
Outdoor discharge temperature_2 protection control “Discharge 2/TOP 2 sensor resistance check, service valve OPEN check, manifold gauge value and S-net high/low pressure value comparison: high/low pressure sensor failure, indoor/outdoor EEV operation Check, check for clogged filters in pipes, etc.”
E418
Outdoor discharge temperature_3 Protection control “Discharge 2/TOP 2 sensor resistance check, service valve OPEN check, manifold gauge value and S-net high/low pressure value comparison: high/low pressure sensor failure, indoor/outdoor EEV operation Check, check for clogged filters in pipes, etc.”
E419
Outdoor transmission #1 open 6th self-diagnosis error “Check outdoor EEV operation, check outdoor EEV connection”
E420
Outdoor transmission #2 open 6th self-diagnosis error “Check outdoor EEV operation, check outdoor EEV connection”
E421
Outdoor transmission #3 open 6th self-diagnosis error “Check outdoor EEV operation, check outdoor EEV connection”
E422
Outdoor transmission #1 closed 6th self-diagnosis error “Check outdoor EEV operation, check outdoor EEV connection, check service valve open”
E423
Outdoor transmission #2 closed 6th self-diagnosis error “Check outdoor EEV operation, check outdoor EEV connection, check service valve open”
E424
Outdoor transmission #3 closed 6th self-diagnosis error “Check outdoor EEV operation, check outdoor EEV connection, check service valve open”
E425
Outdoor reverse phase detection 1 detection error “Check input wiring, check EMI Boad Fuse”
E426
Outdoor reverse phase detection 2 detection error “Check input wiring, check EMI Boad Fuse”
E427
Outdoor reverse phase detection 3 detection error “Check input wiring, check EMI Boad Fuse”
E428
Outdoor compression ratio 1 error “Check whether the service valve is open, compare the value of the manifold gage and the high pressure value of the S-net: Check whether the sensor is abnormal, check whether the indoor/outdoor EEV is operating, check the filter in the pipe, etc., check the amount of refrigerant (lack), low In the case of compression ratio, review 4WAY switching”
E429
Outdoor compression ratio 2 error “Check whether the service valve is open, compare the manifold gage value and the S-net high pressure value: Check whether the sensor is abnormal, check whether the indoor/outdoor EEV operates, check the filter in the pipe, etc., check the amount of refrigerant (sufficient), low In the case of compression ratio, review 4WAY switching”
E430
Outdoor compression ratio 3 error “Check whether the service valve is open, compare the value of the manifold gage and the high pressure value of the S-net: Check whether the sensor is abnormal, check whether the indoor/outdoor EEV is operating, check the filter in the pipe, etc., check the amount of refrigerant (lack), low In the case of compression ratio, review 4WAY switching”
E431
Oil equalization valve 1 error “Check oil equalization service valve, oil equalization valve temperature sensor deviation, coil failure/check connector connection”
E432
Oil equalization valve 2 or more
E433
Oil equalization valve 3 or higher
E434
Oil equalization valve open failure (HotGasValve open failure in DVM PLUS 2)
E435
Water Cooling Flow Switch Error “Check water pipe flow rate, FLOW SWITCH failure, PBA check”
E436
Heat exchanger freeze prevention error “Check water temperature and quantity, check low pressure sensor, check service valve and indoor/outdoor EEV”
E437
Oil equalization valve closing failure (HotGasValve closing failure in DVM PLUS 2)
E438
EVI EEV open failure “- EVI EEV and intercooler leakage, refrigerant overcharge, outdoor check valve reverse insertion, – indoor unit EEV leakage, indoor liquid pipe-gas pipe direct connection”
E439
Refrigerant leakage error “- Refrigerant leakage/insufficient, – High/low pressure pressure sensor disconnection or failure”
E440
Heating Outdoor temperature 30 degrees or more Start-up prohibition System protection operating status (not a malfunction)
E441
Cooling operation prohibited (if the outdoor temperature is low) System protection operation status (not a malfunction)
E442
Prohibition of refrigerant charging operation in heating operation mode when outdoor temperature is 15 degrees or higher System protection operation status (not malfunction)
E443
Refrigerant leak error “- Refrigerant leak/insufficient, – High-pressure pressure sensor disconnected or faulty”
E445
CCH self-diagnosis error (CCH malfunction or Top sensor/Sump sensor misconnection) CCH connector PCB not connected / Compressor TOP sensor (or Sump sensor) out of order / CCH itself defective
E446
Fan controller 1 Fan startup failure
E447
Fan controller 1 wire not wired
E448
Fan controller 1 lock error
E449
Compressor stop by medium pressure protection control “Check service valve and main EEV, medium pressure sensor failure”
E450
COND high temperature (protection control) Check cycle status every time, check cond temperature
E451
Check low pressure switch (protection control) cycle status, check low pressure switch
E452
Check low pressure switch (protection control) cycle status, check low pressure switch
E453
Outdoor Fan Overheat Error
E454
Outdoor fan RPM error (more than 2500 rpm and 100 rpm difference in actual speed compared to target speed measured every 10 seconds and occurs more than 10 times)
E455
Outdoor Fan IPM (Internal PCB Module) Overheat Error
E456
Outdoor Fan Overcurrent Error
E457
Outdoor fan Reversed direction of the wind Error
E458
Outdoor unit fan restraint (Fan Error) or CT1 over current
E459
Outdoor unit IPM Fault Error or CT2 over current
E460
Outdoor unit communication-power wrong wiring detection or CT3 overcurrent
E461
Inverter compressor start failure or CT1 low current
E462
Full current control compressor stop or CT2 low current
E463
OLP temperature control compressor stopped or CT3 low current
E464
Stop DC Peak Compressor
E465
Stop compressor overload (more than 30A) Check compressor phase resistance and insulation resistance
E466
DC Link voltage 150V or less 410V or more
E467
Compressor rotation abnormality or compressor wire unsettled
E468
Inverter Comp current sensor error
E469
DC Link sensor error
E470
Outdoor unit EEPROM Read/Write error
E471
Outdoor unit EEPROM Read/Write error (OTP error)
E472
Outdoor unit zero crossing error
E473
Inverter Comp Lock Error
E474
Heat sink temperature sensor error
E475
“Outdoor unit BLDC Fan 2 Error or outdoor fan 2 RPM Error (more than 2500 rpm and 100 rpm difference in actual speed compared to target speed measured every 10 seconds and occurs more than 10 times)”
E476
4wAY failure detection Cycle status check, 4way V/V check
E477
Check the liquid refrigerant prevention control cycle status, check the amount of refrigerant
E478
Outdoor fan IPM H/W OC
E479
4WAY incorrect wiring detection error 4way V/V wiring check
E480
Fixed speed type 1 Stege OLP protection control (refrigerant leakage error)
E481
Comp1 starting error Check the compressor phase resistance, insulation resistance, INV. Check PBA
E482
Comp2 starting error Check compressor phase resistance, insulation resistance, INV. Check PBA
E483
H/W, S/W Detect DC Link overvoltage
E484
PFC Overload Error
E485
Input Current Sensor Error
E486
Outdoor fan DC-Link Voltage Under/Over Error
E487
Outdoor Fan Hall Sensor Error
E488
Input voltage sensor Error
E489
Outdoor fan #1 overload stop
E490
Outdoor temperature 0 degrees & indoor temperature below 0 degrees Start-up prohibited Check the outdoor and indoor temperature sensors
E491
Fan controller 1 EEPROM Read/Write error
E492
Outdoor fan 2 IPM H/W OC
E493
Fan controller 1 current sensor error
E494
Time delay ERROR due to outdoor Fan2 restraint (Fan Error)
E495
Outdoor fan 2 Overheat Error
E496
Fan controller 1 DC Link sensor error
E497
Outdoor fan 2 Overcurrent Error
E498
Outdoor fan 2 IPM (Internal PCB Module) Overheat Error
E499
Fan controller 1 heatsink temperature sensor error
E500
IPM Overheat Error for Inverter COMP
E503
Service valve closed Check service valve open.
E504
Compressor start failure Check compressor phase resistance, insulation resistance, INV. Check PBA
E505
High-pressure sensor self-diagnosis Check high-pressure sensor failure, check high-pressure sensor disconnection and deviation
E506
Low pressure sensor self-diagnosis Low pressure sensor failure check, low pressure sensor disconnection and deviation check
E508
Smart Install not installed error – Occurs when Smart Install is not installed when the outdoor unit is first powered on Check whether “Smart Install” is properly installed
E512
RESERVED (DMS-SNET3 error)
E515
Control box temperature overheat Check the control box
E516
Control box heat dissipation fan restraint
E551
During defrost operation
E552
Low discharge pressure “Check the service valve, check the indoor/outdoor unit EEV, check the water pipe, check the refrigerant pipe”
E553
equability operation not used
E554
loading_failure / Check the pressure by connecting the manifold gauge to the complete refrigerant leakage service valve of the outdoor unit
E555
oil return operation
E556
Outdoor unit horsepower setting option error
E557
In DPM mode, indoor product default option mismatch error Reset options to all installed indoor units
E559
Suspension of operation of indoor unit due to unconfirmed error detection of outdoor unit
E560
Outdoor unit switch option setting error (if unused option status is set) “Check whether DVM Plus3, national version DVM Plus4, Heat Pump, Heat Recovery models are installed together (mixed installation is not possible), S/W Update error (not suitable for the PBA) SW) check, PBA damage check, DVM Plus4 UP, Heat Pump, Heat Recovery model mixed installation check (mixed installation impossible), E2p option file update error check (E2p option file not suitable for the model), DVM S old communication/ New communication/water cooling, check E2p option file update error (E2p option file not suitable for the model), check compressor failure setting in Key Option (press and hold K2 to enter) (error occurs when setting failure on one compressor model)”
E561
Outdoor unit SA(SUPPLY AIR) FAN RPM
E562
Outdoor unit RA(ROOM AIR) FAN RPM
E563
Indoor unit combination installation error “Check the indoor unit SW version, check whether the indoor unit is supported”
E564
IAQ Clean Fan Error
E565
Comp and power wire misconnection error – In case the power line of Eva1 side is connected to Comp2 or Eva2 side is connected to Comp1
E570
Boot Code Check FAIL
E573
Outdoor unit installation combination error – Occurs when installing an outdoor unit module in an unacceptable combination “Check the outdoor unit model, check the outdoor unit EEPROM connector connection status”
E574
Complete leak of refrigerant in the outdoor unit 2 Check the pressure by connecting the manifold gauge to the service valve
E575
Complete leakage of refrigerant from the outdoor unit 3 (when both Comp1 and Comp2 are detected) Check the pressure by connecting the manifold gauge to the service valve
E590
Inverter Driver #1 communication error
E591
Inverter Driver #2 communication error
E592
Inverter Driver #3 communication error
E593
Inverter Driver #4 communication error
E594
Fan Driver #1 communication error
E595
Fan Driver #2 communication error
E596
Fan Driver #3 communication error
E601
Wired LCD ↔ Indoor period communication error After checking the wired LCD and indoor period communication line connection status, power reset
E602
Master wired LCD ↔ Slave wired LCD communication error Power reset after checking the communication line connection between wired LCDs
E603
Communication packet error (Baudrate / heterogeneous communication method) Check if it is connected to terminal F1F2 of the wired remote controller
E604
Wired LCD ↔ Indoor period Tracking error more than 10 times Check the F3F4 communication line with the wired remote control
E605
7 Day Scheduler ↔ Wired LCD, CAUR communication error Check the communication line connection between 7 Day Scheduler, wired LCD, CAUR
E606
Wired liquid crystal COM1/COM2 cross installation error Wired liquid crystal COM1, COM2 communication connector cross connection
E607
Setting as Wired LCD Master-Master Communication error during installation Check wired LCD Master setting number, set 1 unit
E608
External interlocking ERV Controllr not installed ERV is not installed after setting the external interlocking option
E609
Failure to install an external interlocking indoor unit The indoor unit is not installed after setting the external interlocking option
E610
CAUR ↔ Repeater communication error After checking CAUR, repeater communication line connection status, power reset
E611
DMS ↔ CAUR communication error After checking the DMS, CAUR communication line connection status, power reset
E612
DMS ↔ PEAK repeater communication error After checking the DMS, PEAK repeater communication line connection status, power reset
E613
DMS ↔ PIM/SIM repeater communication error After checking DMS, PIM/SIM communication line connection status, power reset
E614
Power meter ↔ PIM/SIM repeater communication error After checking the connection status of the power meter and PIM/SIM communication line, reset the power
E615
Repeater ↔ Indoor unit communication error (if communication is not received from a specific indoor unit for 2 minutes after repeater tracking is completed) Check the communication line connection status of the repeater and indoor unit
E616
Repeater ↔ Outdoor unit communication error (if communication is not received from the outdoor unit for 2 minutes after repeater tracking is completed) Check the communication line connection status of the repeater and outdoor unit
E617
Peak power repeater <-> Demand controller communication error, demand repeater <-> watt-hour meter communication error Check peak power repeater, demand controller communication line connection. Or, check the demand repeater and watt-hour meter communication line connection
E618
ERV Controller+Indoor Unit (16EA) Exceeded the maximum number of installed units Check the number of ERVs installed is less than 16 units
E619
Error in installation of both Celsius/Fahrenheit indoor units (if a mixed indoor unit of “Celsius/Fahrenheit” is installed among the indoor units connected to the new wired LCD) After checking the Fahrenheit/Celsius setting of the indoor unit, reset the indoor unit option
E620
New wired remote controller “Celsius/Fahrenheit” setting error Error (Dip S/W #4 setting error) Check Dip Switch #4 setting of new wired remote controller
E621
Wired LCD remote control Master/Slave Dip Switch option setting error (if the master and slave option settings are different) Check whether the Dip Switch option settings of the wired LCD remote control master and slave are the same
E622
Demand controller / watt-hour meter selection error Check the PEAK power repeater option setting status
E623
Demand repeater PT/CT ratio setting error PT/CT ratio setting of repeater in DMS
E624
Error in receiving abnormal value data from Demand repeater watt-hour meter “Check PEAK repeater and watt-hour meter communication terminal or target power setting value”
E625
Master DMS ↔ Slave DMS communication error After checking the communication line connection between Master DMS and Slave DMS, power reset
E626
“ERV-linked wired remote control (AWR-WE00) ERV single installation error (In case of connecting only ERV without connecting indoor unit), Indoor unit-linked wired remote control (AWR-VH10) Indoor unit installation error (In case of connecting only indoor unit without connecting ERV) ” “Check wired remote control option setting, check whether ERV or indoor unit is installed when using external interlocking option”
E627
“Error installing 2 slave wired remotes when master/slave wired remote control interlocking control (When 2 wired remotes set as Slave are installed simultaneously on the master wired remote control)” Check the number of slave wired remotes installed on the master wired remote control
E628
DMS↔Relayer communication error After checking the communication connection between DMS and repeater, power reset
E629
DMS↔DDC communication error DMS, DDC? Power reset after checking the inter-communication connection status
E630
“ERV wired remote control normal ventilation option setting error
– Check only when normal ventilation option is set
– ERV normal ventilation is not supported, wired remote control option normal ventilation is used” Check the wired remote control’s normal ventilation option is not used
E631
“ERV wired remote controller automatic ventilation option setting error
– Check only when setting the automatic ventilation option
– ERV automatic ventilation is not supported, wired remote control option automatic ventilation is used” Check the wired remote control automatic ventilation option disabled setting
E632
“An error occurs when a pulse other than the PIM set pulse width value is input.
1. 20 ms or less, 2. 400 ms or more, 3. Pulse outside the set pulse width, 4. Continuous pulse for more than 3 minutes” “The power meter does not support the standards defined in the PIM specification.
Check the installation status of the watt-hour meter”
E633
Wired remote control incompatible device connection detection error Check whether the device connected to the wired remote control is compatible with the wired remote control.
E652
Communication error when installing COM 1 Dual Master setting Check the number of wired remote controllers installed in F1-F2 communication terminals
E653
Temperature Sensor Open/Short Error
E654
FRAM Error or damper error (ERV model)
E655
RESERVED (DMS-SNET3 error)
E656
RESERVED (DMS-SNET3 error)
P701
Check the float 1st float switch connection status
P702
Indoor power valve closed 1st “Wire connection status check
Check the resistance value of the coil”
P703
Indoor power valve open 1st “Check wire connection status
Check the resistance value of the coil”
P720
Outdoor transmission #1 open Self-diagnosis error every time “Check the wire connection status
Check the resistance value of the coil”
P721
Outdoor transmission #2 open Self-diagnosis error every time “Check the wire connection status
Check the resistance value of the coil”
P722
Outdoor transmission #3 open Self-diagnosis error every time “Check the wire connection status
Check the resistance value of the coil”
P723
Self-diagnosis error every time outdoor transmission #1 is closed
P724
Outdoor transmission #2 self-diagnosis error every time it is closed
P725
Outdoor transmission #3 self-diagnosis error every time it is closed
P768
RESERVED (DMS-SNET3 error)
P801
[GHP-R410A] Communication error: “IF → Outdoor unit”: Disconnection Check communication line between GHP outdoor unit and GHP interface module
P802
[GHP-R410A] Communication error: “Outdoor unit → IF”: Disconnection Check communication line between GHP outdoor unit and GHP Interface Module
P803
[GHP-R410A] Communication error: disconnection of some indoor units between “IF ↔ indoor unit” (during normal communication) “Check GHP Interface Module and indoor communication line
Check the operation status of the indoor unit of the error occurrence address (PBA and communication)”
P804
[GHP-R410A] Communication error: Communication error between outdoor units “Check the communication status between GHP Interface Modules, (when installing multiple outdoor units)”
P805
[GHP-R410A] Outdoor unit combination setting error Check the outdoor unit installation setting status Dip Switch (single or multi)
P806
[GHP-R410A] Remocon Sensor disconnection/short circuit
P807
[GHP-R410A] Outdoor liquid pipe sensor disconnection/short circuit
P808
[GHP-R410A] Outdoor Unit – Supercooled thermal bridge inlet temperature thermistor disconnection/short circuit
P809
[GHP-R410A] Excessive rise in intake temperature of the compressor “Check the temperature of the compressor body, check the 4-way valve switching defect”
P810
[GHP-R410A] No increase in compressor suction superheat “Check the temperature of the compressor body, check the 4-way valve switching defect”
P811
[GHP-R410A] Refrigerant high-pressure switch disconnection Check high-pressure switch disconnection and separation
P812
[GHP-R410A] Gas solenoid valve output abnormal Engine throttle valve, fuel gas valve check
P813
[GHP-R410A] Failure of the refrigerant low pressure sensor (secondary) Check the low pressure sensor, check the connector
P814
[GHP-R410A] Refrigerant high pressure sensor error 1 Check high pressure sensor defect
P815
[GHP-R410A] Refrigerant high pressure sensor error 2 (High pressure sensor value is less than the standard low pressure)
P816
[GHP-R410A] Water pump startup failure Check water pump failure, outdoor unit PBA check, connector connection check
P817
GHP-R410A] Water Pump rpm error Check water pump failure, outdoor unit PBA check, connector connection check
P818
GHP-R410A] IPM (Outdoor fan operation driver) error
P819
[GHP-R410A] Outdoor thermal bridge Fan 1 startup failure Check fan, check PBA of outdoor unit, check connector connection
P820
[GHP-R410A] Outdoor thermal bridge Fan 2 startup failure Check fan, check PBA of outdoor unit, check connector connection
P821
[GHP-R410A] Outdoor thermal bridge Fan 3 startup failure Check fan, check PBA of outdoor unit, check connector connection
P822
[GHP-R410A] Outdoor thermal bridge Fan 1 RPM Check fan, outdoor unit PBA check, connector connection check
P823
[GHP-R410A] Outdoor thermal bridge Fan 2 Rotation abnormal fan check, outdoor unit PBA check, connector connection check
P824
GHP-R410A] Outdoor thermal bridge Fan 3 Rotational fan inspection, outdoor unit PBA inspection, connector connection inspection
P825
[GHP-R410A] Outdoor unit – Heat exchange fan transmission failure Check fan, check PBA of outdoor unit, check connector connection
P826
[GHP-R410A] Outdoor Unit – Accum outlet temperature thermistor 1 disconnect/short circuit
P827
[GHP-R410A] Outdoor Unit – Accum outlet temperature thermistor 2 disconnection/short circuit
P828
[GHP-R410A] Outdoor unit – Refrigerant low pressure switch disconnection
P829
GHP-R410A] Refrigerant low pressure error “Check refrigerant shortage and leakage, check low pressure sensor”
P830
[GHP-R410A] Three-phase power failure
P831
[GHP-R410A] Single-phase power failure
P832
[GHP-R410A] Main – Sub MICOM Program Version Unmatch GHP outdoor unit SW version check
P833
[GHP-R410A] Number of connected indoor units Over
P834
[GHP-R410A] Indoor unit connection capacity Over
P835
[GHP-R410A] Outdoor-Indoor Connection Unmatch
P836
[GHP-R410A] Outdoor Unit – Periodic inspection Periodic inspection by engine operation time
P837
[GHP-R410A] Abnormal refrigerant high pressure 1 Check refrigerant amount, outdoor fan operation status, clogged refrigerant piping system, high pressure sensor
P838
[GHP-R410A] Abnormal refrigerant high pressure 2 Check refrigerant amount, outdoor fan operation status, refrigerant piping system blockage
P841
[GHP-R410A] Outdoor thermal bridge gas temperature thermistor disconnection/short circuit
P842
[GHP-R410A] Engine Room Temperature Sensor disconnection/short circuit
P843
[GHP-R410A] Engine water temperature sensor disconnection/short circuit
P844
[GHP-R410A] Engine exhaust temperature sensor disconnection Check the engine exhaust temperature sensor
P845
[GHP-R410A] Engine oil pressure problem Check engine oil level, check engine oil pressure switch operation
P846
[GHP-R410A] Engine hydraulic switch disconnection Check hydraulic switch, check wiring and connector
P847
[GHP-R410A] Engine over-rotation 1 Check the operation of the stepping motor
P848
[GHP-R410A] Engine over-rotation 2 Stepping motor operation check
P849
[GHP-R410A] Starter malfunction “check starter relay fusion
Check the outdoor unit control panel”
P850
[GHP-R410A] Engine speed control error “Check connector connection failure, gas mixer failure, engine compression failure, ignition system failure, air element clogging check
P851
[GHP-R410A] Engine Stop “Insufficient engine power
Check for stepping motor malfunction”
P852
[GHP-R410A] IGUNAITA (igniter) undervoltage “igniter malfunction
Ignition power failure”
P853
[GHP-R410A] IGUNAITA (igniter) disconnection “igniter malfunction
Ignition power failure”
P854
[GHP-R410A] IGUNAITA (igniter) overvoltage “igniter malfunction
Ignition power failure”
P855
[GHP-R410A] Abnormal engine exhaust temperature Odor catalyst clogging
P856
[GHP-R410A] Engine water temperature excessive rise “coolant circulation failure (coolant shortage), poor heat dissipation”
P857
[GHP-R410A] Engine start failure “Defective fuel system (defective supply)
Bad ignition system, bad compression system
P858
[GHP-R410A] No engine cooling water Check whether the engine is idle without cooling water
P859
[GHP-R410A] Insufficient starting rotation speed of engine “Defective starter motor
Connector error, pick-up coil disconnection”
P860
[GHP-R410A] More than Engine RPM Haunting
P861
[GHP-R410A] Compressor discharge temperature excessive rise “Lack of refrigerant, clogged refrigerant system, compressor defect, condenser heat dissipation defect, non-condensing gas mixture”
P862
[GHP-R410A] Compressor discharge temperature sensor1 short circuit / disconnection
P863
[GHP-R410A] Compressor discharge temperature sensor2 short circuit / disconnection
P864
[GHP-R410A] Compressor discharge temperature sensor3 short circuit / disconnection
P865
[GHP-R410A] Compressor discharge temperature sensor4 short circuit / disconnection
P866
[GHP-R410A] Compressor suction temperature sensor1 short circuit/disconnection
P867
[GHP-R410A] Compressor Suction Temperature Sensor2 short/disconnection
P868
[GHP-R22] Outdoor Unit – Accum inlet temperature sensor open/short circuit
P869
[GHP-R22] Outdoor Unit – Refrigerant gas pipe temperature sensor disconnection/short circuit
P870
[GHP-R22] Outdoor Unit – Insufficient lubricating oil in compressor
P871
[GHP-R22] Outdoor Unit – Overcharged refrigerant
P872
[GHP-R22] Outdoor Unit – Compressor Suction Temperature Abnormality
P873
[GHP-R22] Trouble with engine cooling water system
P874
[GHP-R22] Engine oil system failure
P875
[GHP-R22] Trouble with engine power system
P876
[GHP-R22] Engine start/control system failure
P880
[GHP-R410A] Outdoor Unit – Engine cooling water temperature not rising “Thermostat failure, engine water temperature sensor failure”
P881
[GHP-R410A] Outdoor Unit – Engine oil leakage Engine oil leakage
P882
[GHP-R410A] Outdoor Unit – No refrigerant oil “Insufficient refrigerant oil”
Insufficient heat dissipation of evaporator, blockage or leakage of refrigerant system”
P883
[GHP-R410A] Outdoor Unit – starter transformer voltage disconnection
P901
Water Inner Sensor (Tw1) SHORT / OPEN
P902
PHE Outlet Sensor (Tw2) Short/OPEN
P903
Heater Outlet Sensor (Tw3) Short/OPEN
P904
Water TANK sensor SHORT / OPEN
P905
SOLAR SENSOR SHORT / OPEN
P906
Outdoor EVA I
n SENSOR SHORT/OPEN
P907
Freezing error “Check circulation water flow rate (pump operation), check circulation system strainer clogged, check inlet water temperature”
P908
Comp Off Freeze Error during freeze protection control “Check circulation water flow rate (pump operation), check circulation system strainer clogged, check inlet water temperature”
P909
During freezing protection control Comp Off Freeze Error detected 3 times Restart impossible error “Check circulation water flow rate (pump operation), check circulation system strainer clogged, check inlet water temperature”
P910
Out of discharge water (TW2) sensor “Check Water Out sensor out
Check the water out sensor holder attachment”
P911
Flow Swtich Open Error “Check the flow switch terminal contact
After disassembling the flow switch, check the contact signal according to the paddle operation
Check circulation water flow rate (check strainer clogging, check pump operation)”
P912
Flow Swtich Close Error “Check the flow switch terminal contact
After disassembling the flow switch, check the contact signal according to the paddle operation
Check circulation water flow rate (check strainer clogging, check pump operation)”
P913
Flow switch error detected 6 times Restart impossible error “Check flow switch terminal contact, disassemble flow switch, check contact signal according to paddle operation, check circulation water flow rate (check strainer blockage, pump operation)”
P914
ThermoStat incorrect wiring error “Check the Hydro Unit Thermostat wiring
(Check whether cooling and heating signals are connected simultaneously)”
P915
DC Fan error “Check the wire connection status, check the output of both terminals of Control kit PBA CN808 (DC FAN) #1, #3”