Mitsubishi Electric PCA error codes
Codes
- 2500Error code(Drain pump will start 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 s
- 2502Error code(Drain pump will start 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 s
- 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 codefor 3 minutes. (Error code : E0) Abnormal if sub-remote controller could not receive any signal for 2 minutes. (Error code: E0) Abnormal if indoor controller board cannot receive normally any data from remote controller board or from other indoor controller board for 3 minutes. (Error code: E4) Indoor controller board cannot receive any signal from remote controller for 2 minutes. (Error code: E4)
- E1Error codeRemote controller control board Abnormal if data cannot be read normally from the nonvolatile memory of the remote controller control board. (Error code: E1) Abnormal if the clock function of remote
- E2Error codeAbnormal if the clock function of remote 2 controller cannot be normally operated. (Error code: E2) BY INFERIOR PHENOMENA Cause board • When LED1 on indoor controller Power supply of rated voltage 1 door unit. Defective outdoor controller 2 Power supply of 220~240V 3 unit. Defective indoor power 4 Defective indoor controller 5 (For the separate indoor/outdoor ply system) Power supply of 220~240V 1 indoor unit. The connectors of the optional 2 not used. Defective indoor controller 3 Defective ind
- 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 codeIndoor/outdoor unit communication error (Signal receiving error) Abnormal if indoor controller board 1 cannot receive any signal normally for six minutes after putting the power on. Abnormal if indoor controller board 2 cannot receive any signal normally for three minutes. Consider the unit abnormal under the 3 following condition: When two or more indoor units are connected to one outdoor unit, indoor controller board cannot receive a signal for three minutes from outdoor controller circuit boa
- 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 read normally from the nonvolatile memory of the indoor controller board.
- P1Error codeRoom temperature thermistor (TH1) 1 The unit is in 3-minute resume prevention mode if short/open of thermistor is detected. Abnormal if the unit does not reset normally after 3 min utes. (The unit returns to normal opera tion, if it has been reset normally.) Constantly detected during cooling, 2 drying, and heating operation. Short: 194°F [90:] or more Open: −40°F [−40:] 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: í40°F [í40:] 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. Drain pump is abnormal if the condition 2 above is detected during suspensive abnormality. Constantly detected during drain pump 3 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 codeAbnormality of pipe temperature <Cooling mode> Detected as abnormal when the pipe temperature is not in the cooling range 3 minutes later of compressor start and 6 minutes later of the liquid or condenser/evaporator pipe is out of cooling range. Note 1) It takes at least 9 min. to detect. Note 2) Abnormality P8 is not detected in drying mode.
- P9Error codeCondenser-Evaporator (TH5) The unit is in 3-minute resume protection 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, drying, and heating operation (except defrosting) Short: 90˚C or more Open: −40˚C or less Remote controller transmission error(E0)/signal receiving error(E4) Abnormal if main or sub remote controller cannot rece
- PAError code(Drain pump will start operating when the drain sensor is detected 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 s
- PBError code(Pb): Fan motor trouble
- PLError codeAbnormal refrigerant circuit During Cooling, Dry, or Auto Cooling operation, when the following are regarded as failures when detected one second. a) The compressor continues to run for or more seconds. b) The liquid pipe temperature or the condense/evaporator temperature 75°C or more. * These detected errors will not be cancelled until the power source reset. OF PROBLEMS board • When LED1 on 1 Power supply of door unit. 2 Defective outdoor 3 Power supply of unit. 4 Defective indoor (For the sep