Mitsubishi Electric PKA error codes
Codes
- 2500Error codestart operating when the drain sensor detects to be soaked in the water.) The unit has a water leakage abnormality 2 when the following conditions, a and b, are satisfied while the above-mentioned detection is performed. a) The drain se
- 2502Error codestart operating when the drain sensor detects to be soaked in the water.) The unit has a water leakage abnormality 2 when the following conditions, a and b, are satisfied while the above-mentioned detection is performed. a) The drain se
- 5701Error codeContact failure of drain float switch (CN4F) Extract when the connector of drain float switch is disconnected. ( and of connector CN4F is not short-circuited.) Constantly detected during operation.
- E0Error codeRemote controller transmission error(E0)/signal receiving error(E4) Abnormal if main or sub remote con1 troller cannot receive any transmission normally from indoor unit of refrigerant address “0” for 3 minutes.
- E1Error codeRemote controller control board Abnormal if data cannot be read nor1 mally from the nonvolatile memory of the remote controller control board. (Check code: E1) Abnormal if the clock function of remote 2 controller cannot be operated normally. (Check code: E2)
- E2Error codeAbnormal if the clock function of remote 2 controller cannot be normally operated. (Error code: E2) TROUBLESHOOTING BY INFERIOR Phenomena on indoor controller board • When LED1 Power supply 1 door unit. Defective 2 Power supply 3 unit. Defective 4 Defective 5 (For the ply system) Power supply 1 indoor unit. The connectors 2 not used. Defective 3 Defective 4 • When LED1 Mis-setting 1 (There is address controller board • When LED1 on Connection failure wire • When LED1 is lit. Mis-wiring of remote
- E3Error codeRemote controller transmission error(E3)/ signal receiving error(E5) Abnormal if remote controller could not find blank of transmission path for 6 seconds and could not transmit. (Error code: E3) Remote controller receives transmitted data at the same time, compares the data, and when detecting it, judges different data to be abnormal 30 continuous times. (Error code: E3) Abnormal if indoor controller board could not find blank of transmission path.(Error code: E5) Indoor controller board receiv
- E4Error codeRemote controller signal receiving error Abnormal if indoor controller board can 1 not receive normally any data from remote controller or from other indoor controller board for three minutes. Indoor control board cannot receive any 2 signal from remote controller for two minutes.
- E5Error codeRemote controller transmission error(E3)/ signal receiving error(E5) Abnormal if remote controller could not find blank of transmission path for 6 seconds and could not transmit. (Error code: E3) Remote controller receives transmitted data at the same time, compares the data, and when detecting it, judges different data to be abnormal 30 continuous times. (Error code: E3) Abnormal if indoor controller board could not find blank of transmission path.(Error code: E5) Indoor controller board receiv
- E6Error codeAbnormal if indoor controller board could not find blank of transmission path.(Error code: E5) Indoor controller board receives transmitted data at the same time, compares the data, and when detecting it, judges different data to be abnormal 30 continuous times. (Error code: E5) Indoor/outdoor unit communication error (Signal receiving error) Abnormal if indoor controller board cannot receive any signal normally for 6 minutes after turning the power on. Abnormal if indoor controller board cannot
- E7Error codeIndoor/outdoor unit communication error (Transmitting error) Abnormal if “1” receiving is detected 30 times continuously though indoor controller board has transmitted “0”. BY INFERIOR PHENOMENA Cause board • When LED1 on indoor controller Power supply of 220~240V 1 unit. Defective outdoor controller 2 Power supply of 220~240V 3 unit. Defective indoor power 4 Defective indoor controller 5 • When LED1 on indoor controller Mis-setting of refrigerant 1 (There is no unit corresponding address “0”.)
- FBError code(FB)*: Indoor controller board Abnormal if data cannot be normally read from the nonvolatile memory of the indoor controller board.
- P1Error codeRoom temperature thermistor (TH1) The unit is in 3-minute resume 1 prevention mode if short/open of thermistor is detected. Abnormal if the unit does not reset normally after 3 minutes. (The unit returns to normal operation, if it has been reset normally.) 2 Constantly detected during cooling, drying, and heating operation. Short: -90ºC(194˚F) or more Open: -40ºC(-40˚F) or less
- P2Error codePipe temperature thermistor/liquid (TH2) The unit is in 3-minute resume 1 prevention mode if short/open of thermistor is detected. Abnormal if the unit does not reset normally after 3 minutes. (The unit returns to normal operation, if it has been reset normally.) Constantly detected during cooling, 2 drying, and heating (except defrosting) operation Short: 194°F [90:] or more Open: −40°F [−40:] or less Note: When all of the following conditions are satisfied, the error is not detected: 1) During
- P4Error code(The unit returns to normal operation, if it has been reset normally.) Detect the following condition. 3 • During cooling and drying operation • In case that pipe <liquid> temperature - room temperature <-10deg (Except defrosting) • When pipe <liquid> temperature or
- P5Error codeCompressor and indoor fan will be turned off. 2 Drain pump is abnormal if the condition above is detected during suspensive abnormality. 3 Constantly detected during drain pump operation
- P6Error codetemperature stays under -15°C [5°F] for 3 minutes after the compressor started. Abnormal if it stays under -15°C [5°F] for 3 minutes again within 16 minutes after 6-minute resume prevention mode. Overheating protection (Heating mode) (Heating The units is in 6-minute resume prevention mode if pipe <liquid or condenser/ evaporator> temperature is detected as over 70°C [158°F] after the compressor started. Abnormal if the temperature of over 70°C [158°F] is detected again within 30 minutes after 6
- P8Error codePipe temperature <Cooling mode> Detected as abnormal when the pipe temperature is not in the cooling range 3 minutes after compressor start and 6 minutes after the liquid or condenser/evaporator pipe is out of cooling range. Note 1) It takes at least 9 minutes to detect. Note 2) Abnormality P8 is not detected in drying mode.
- P9Error codePipe temperature thermistor/ Condenser-Evaporator (TH5) The unit is in 3-minute resume protec1 tion mode if short/open of thermistor is detected. Abnormal if the unit does not get back to normal within 3 minutes. (The unit returns to normal operation, if it has been reset normally.) Constantly detected during cooling, 2 drying, and heating operation (except defrosting) Short: 194°F [90:] or more Open: í40°F [í40:] or less Note: When all of the following conditions are satisfied, the error is not
- PAError codestart operating when the drain sensor detects to be soaked in the water.) The unit has a water leakage abnormality 2 when the following conditions, a and b, are satisfied while the above-mentioned detection is performed. a) The drain se
- PBError codeFan motor trouble TROUBLESHOOTING BY INFERIOR Phenomena on indoor controller board • When LED1 1 Power supply door unit. 2 Defective 3 Power supply unit. 4 Defective (For the ply system) Power supply 1 indoor unit. 2 The connectors not used. 3 Defective • When LED1 1 Mis-setting (There is “0”.) controller board • When LED1 on Connection failure wire • When LED1 is lit. Miswiring of remote 1 Under twin triple units are wired together. Refrigerant address 2 set. Under grouping whose refrigerant 3
- PLError code9-4. TROUBLESHOOTING Phenomena (1) LED2 on board is: Abnormal if the clock function controller cannot be operated (Error code: E2) Abnormal refrigerant circuit During Cooling, Drying, or Auto Cooling operation, the following conditions as failures when detected for 1 second. a) The compressor continues to more seconds. b) The liquid pipe temperature (TH2) condenser/evaporator temperature 75°C [167°F] or more. These detected errors will not until the power source is reset. OF indoor controller • When LED1 off. Power supply to outdoor Defective Powe