air_conditioner

Voltas Air Conditioner Error Code

Error Codes Problem
EE Indoor machine EE fault
E0 Outdoor EE fault
E1 Indoor fan fault
E2 Indoor fan zero-crossing detection abnormal
E3 Indoor coil fault and sensor fault
E4 Indoor ambient temperature sensor fault
E5 Fan Operation Error
E6 Indoor and outdoor machine communication fault
E8 Outdoor communication fault
F1 Compressor starting abnormal
F2 Compressor out of step fault
F3 IPM module fault
F4 Compressor shell roof fault/protection
F5 Discharge temperature sensor fault
F6 Section temperature sensor fault
F7 Outdoor coil temperature sensor fault
F8 Outdoor ambient temperature sensor fault
F9 Outdoor DC fan fault
P1 Outdoor machine AC current protection
P2 Compressor phase current protection
P3 Outdoor unit over-high or over-low AC voltage protection
P4 DC voltage over-high or over-low voltage protection
P5 IPM over-high temperature protection
P6 Discharge temperature overheat protection
P7 Cooling indoor coil anti freezing protection
P8 Cooling outdoor coil overheat protection
P9 Heating indoor coil overheat protection
PC Cooling outdoor ambient temperature over-low protection
PH Heating outdoor ambieent temperature over-high protection
L1 Drive bus voltage over-high protection
L2 Drive bus voltage over-low protection
L3 Drive phase current overload fault
L4 Phase current samping abnormal
U1 IPM Over current protection
U3 Compressor Over current protection
U4 Over voltage protection
U5 Low voltage protection
U7 Over speed protection
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List of Samsung Aircon Error Codes

Code Possible Cause
Ch Prohibit starting during operation of the Crack case heater
E108 Error due to repeated communication address
E121 Error on room temperature sensor of indoor unit (Short or Open)
E122 Error on EVA IN sensor of indoor unit (Short or Open)
E123 Error on EVA OUT sensor of indoor unit (Short or Open)
E124 Communication error sends from indoor unit
E128 Indoor unit EVA IN sensor breakaway
E129 Indoor unit EVA OUT sensor breakaway
E131 Indoor unit heater sensor error
E151 Indoor unit EEV open failure(When 2* detection)
E152 Indoor unit EEV close failure(When 2“ detection)
E153 Indoor unit floating S/V error(When 2“ detection)
E154 Indoor unit fan error
E162 Outdoor unit EEPROM error
E198 Error on thermal fuse of indoor unit (Open)
E201 Communication error between indoor unit and outdoor unit (Pre tracking failure or when actual number of indoor units are different from the indoor unit quantity setting on the outdoor unit) Error due to communication tracking failure after initial power supply (The error occurs with the failure regardless of the number of devices)
E202 Communication error between indoor and outdoor unit (When not received in every room after completing the tracking)
E203 Communication error between outdoor unit inv - main micom (For PF #4~#6 controller, error will be determined from the time when compressor turns on)
E221 Error on outdoor temperature sensor (Short or Open)
E231 Error on outdoor COND OUT sensor (Short or Open)
E241 COND OUT sensor breakaway
E251 Digital comp.1 discharge temperature sensor(Short or Open)
E256 Fixed comp.1 discharge temperature sensor(Short or Open)
E257 Fixed comp.2 discharge temperature sensor(Short or Open)
E258 Fixed comp.3 discharge temperature sensor(Short or Open)
E262 Fixed compl Discharge temperature sensor breakaway
E263 Fixed comp2 Discharge temperature sensor breakaway
E264 Fixed comp3 Discharge temperature sensor breakaway
E265 Digital compl Sump temperature sensor breakaway. Fixed compl Sump temperature sensor breakaway
E267 Fixed comp2 Sump temperature sensor breakaway
E268 Fixed comp3 Sump temperature sensor breakaway
E269 Suction temperature sensor breakaway
E271 Comp.1 Sump temperature sensor(Short or Open)
E291 High pressure sensor(Short or Open)
E296 Low pressure sensor(Short or Open)
E307 Oil balance sensorl (Short or Open)
E308 Suction sensor(Short or Open)
E311 Double pipe sensor(Short or Open)
E320 Error on OLP sensor (Short or Open)
E403 Compressor down due to freeze protection control
E404 System stop due to overload protection control
E407 Comp, down by high pressure
E410 Comp, down by low pressure
E413 Comp, down by the sump protection control
E416 Comp, down by the discharge temperature sensor
E422 Blockage detected on high pressure pipe
E425 Reverse phase or open phase
E428 Comp down by compression ratio control
E431 Equal oil valve 1 self diagnosis
E440 Heating operation restricted at outdoor temperature overheating value (default: 30 °C)
E441 Cooling operation restricted at outdoor temperature below cool value (default 0°Q
E442 Forbid an operation during heat mode with refrigerant charging operation when outdoor temperature is over 15°C
E443 Start prohibition by refrigerant pressure error
E452 Instant power off error
E453 Fan motor hifi temperature error
E454 Fan motor RPM error
E455 Fan motor IPM high temperature error
E456 Fan motor over current error
E457 Fan motor reverse rotation error
E458 Fan speed error
E461 Error due to operation failure of inverter compressor
E461 CTJow current
E462 System stop due to full current control
E463 System stop due to OLP temperature control
E464 System stop due to DC Peak
E465 Compressor overload prevention
E466 DC-Link voltage under/over error
E467 Error due to abnormal rotation of the compressor or unconnected wire of compressor
E468 Error on current sensor (Short or Open)
E469 Error on DC-Link voltage sensor (Short or Open)
E470 Outdoor unit EEPROM Read/Write error (Option)
E471 Outdoor unit EEPROM Read/Write error (H/W)
E472 AC Line Zero Cross Signal out
E473 Comp Lock error
E474 Error on IPM Heat Sink sensor of inverter 1 (Short or Open)
E475 Error of inverter fan 2
E484 PFC Overload (Over current) Error
E485 Error on input current sensor of inverter 1 (Short or Open)
E500 IPM over heat error on inverter 1
E508 Smart install is not installed
E554 Gas leak detected
E556 Error due to mismatching capacity of indoor and outdoor unit
E557 DPM remote controller option error
E560 Switch option setting error(rvot applied)
E590 Inverter EEPROM Checksum error
E660 Error of inverter Boot Code
P701 Indoor unit floating S/V error(When 1“ detection)
P702 Indoor unit EEV close failure(When 1“ detection)
P703 Indoor unit EEV open failure(When 1“ detection)
Service Center ac 1

Panasonic Air Conditioner Error Codes: The Complete List

Code Possible Cause
00H No detected abnormalities
11H Error of data line between indoor unit and outdoor unit
12H Other power error between outdoor unit and indoor unit
14H Room temperature sensor error
15H Compressor temperature sensor error
16H Compressor load current is too low
19H Internal fan block error
23H Chiller temperature sensor error
25H Error e-ion circuit
27H Outdoor temperature sensor error
28H Hot rig temperature sensor error
30H Compressor output temperature sensor error
33H Error connecting internal and external blocks
38H Internal and external block error is not synchronized
58H PATROL circuit error
59H ECO PATROL circuit error
97H Error on the outdoor unit fan
98H Indoor temperature is too high (heating mode)
99H Chilled temperature is too low (freeze)
11F Cooling mode / Heating switch error
90F Bost booster circuit fault for compressor compressor power block
91F Compressor load line error is too low
93F Compressor rotation speed error
95F Hot platform temperature is too high
96F Compressor power transistor overheat (IPM)
97F Compressor temperature is too high
98F Compressor load is too high
99F The DC output to the compressor is too high
air_conditioner

Samsung  Possible Cause and Solution

Code Possible Cause Solution
E1 Short of indoor temperature sensor Open of Indoor temperature sensor Check of departure of indoor temperature sensor Check of PCB open/short
E5 Short of indoor heat exchanger sensor Open of indoor heat exchanger sensor Check of indoor exchanger sensor departure Check of PCB open/short Replacement of sensor
E6 Short of outdoor heat exchanger sensor Open of outdoor heat exchanger sensor Check of outdoor exchanger sensor departure Check of PCB open/short Replacement of sensor
E7 Short of heater temperature sensor Open of heater temperature sensor Check of heater wiring diagram Check of sensor attachment location
EL When the electrical heater is overheated Check of heater temperature sensor departure Check of PCB open/shore Replacement of sensor
Code Possible Cause Solution
* 1 Indoor unit thermistor sensor error Indoor unit thermistor sensor PCB of the Indoor unit
* 5 Indoor unit pipe thermistor sensor error Indoor unit pipe thermistor sensor PCB of the indoor unit
* 6 Outdoor unit thermistor sensor error Outdoor unit thermistor sensor PCB of the outdoor unit
* 9 Float switch error Drain pump, Float switch Drain system DIP switch (SW2) of the indoor unit (The No.2 and No.4 switches must be at “ON” position.)
* A A Indoor and Outdoor communication error Communication cables of indoor and outdoor units PCB of indoor and outdoor units
*C Wired remote controller communication error Wired remote controller cables, Wired remote controller Main/Sub PCB of the indoor unit
* D Outdoor pipe thermistor sensor error Outdoor pipe thermistor sensor PCB of the outdoor unit