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Mitsubishi Electric SLZ error codes

Codes

2500Error code(Drain pump will start operating when the drain sensor detects to be soaked in the water.) 2 The unit has a water leakage abnormality when the following conditions, a) and b), are satisfied while the above-mentioned detection is performed. a) The drain sensor
2502Error code(Drain pump will start operating when the drain sensor detects to be soaked in the water.) 2 The unit has a water leakage abnormality when the following conditions, a) and b), are satisfied while the above-mentioned detection is performed. a) The drain sensor
E0Error code(6831 or 6834): Remote controller transmission error(E0)/ signal receiving error(E4) Abnormal if main or sub remote controller cannot receive any transmission normally from indoor unit of refrigerant address “0” for 3 minutes. (Error code : E0) Abnormal if sub-remote controller could not receive for 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) Indo
E1Error code(6201 or 6202) Forced (due: controller control board Abnormal if data cannot be normally read from the nonvolatile memory of the remote controller control board.(Error code: E1) Abnormal if the clock function of remote controller cannot be normally operated. (Error code: E2)
E2Error code(6201 or 6202) Forced (due: controller control board Abnormal if data cannot be normally read from the nonvolatile memory of the remote controller control board.(Error code: E1) Abnormal if the clock function of remote controller cannot be normally operated. (Error code: E2)
E3Error code(6832 or 6833): 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 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)
E4Error code(6831 or 6834): Remote controller transmission error(E0)/ signal receiving error(E4) Abnormal if main or sub remote controller cannot receive any transmission normally from indoor unit of refrigerant address “0” for 3 minutes. (Error code : E0) Abnormal if sub-remote controller could not receive for 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) Indo
E5Error code(6832 or 6833): 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 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)
E6Error codeIndoor/outdoor unit communication error (Signal receiving error) 1 Abnormal if indoor controller board cannot receive any signal normally for 6 minutes after turning the power on. 2 Abnormal if indoor controller board cannot receive any signal normally for 3 minutes. 3 Consider the unit abnormal under the following condition: When 2 or more indoor units are connected to one outdoor unit, indoor controller board cannot receive a signal for 3 minutes from outdoor controller circuit board, a signal
E7Error codeunits are connected to one outdoor unit, indoor controller board cannot receive a signal for 3 minutes from outdoor controller circuit board, a signal which allows outdoor controller circuit board to transmit signals. Indoor/outdoor unit communication error (Transmitting error) Abnormal if “1” receiving is detected 30 times continuously though indoor controller board
FBError code(Fb): has transmitted “0”. Indoor controller board Abnormal if data cannot be normally read from the nonvolatile memory of the indoor controller board.
FHError codeRefrigerant sensor error Abnormal if refrigerant sensor cannot detect errors normally.
FLError codeRefrigerant leakage Abnormal if refrigerant leakage detected by a refrigerant sensor.
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 minutes. (The unit returns to normal operation, if it has been reset normally.) 2 Constantly detected during cooling, drying and heating operation Short: 194°F or more Open: -40°F or less
P2Error codePipe temperature thermistor/Liquid (TH2) The unit is in 3-minute resume prevention 1 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.
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 < -10 deg (Except defrosting) • When pipe <liquid> temperature o
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 operation | Drain pump lock protection operation 1 Suspected abnormality, if drain pump stops for 5 seconds continuously with drain pump on. Drain pump will be restarted after turning off for 10 seconds. Drain pump is abnormal if the condition 2 above is detected 4 times during operation.
P6Error codeFreezing/overheating protection is operating Freezing protection (Cooling mode) 1 The unit is in 6-minute resume prevention mode if pipe <liquid or condenser/evaporator> temperature stays under -15°C for 3 minutes after the compressor started. Abnormal if it stays under 15°C for 3 minutes again within 16 minutes after 6-minute resume prevention mode. 2 Overheating protection (Heating mode) The units is in 6-minute resume prevention mode if pipe <condenser / evaporator> temperature is detected as
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: 90°C or more Open: -40°C or less
PAError codePB(Pb): Forced compressor stop (due to water leakage abnormality) The unit has a water leakage abnormality 1 when the following conditions, a) and b), are satisfied while the above-mentioned detection is performed. a) The intake temperature subtracted with liquid pipe temperature detects to be OHVV WKDQ ) >í &@ IRU D WRWDO RI minutes. (When the drain float switch is detected to be NOT soaked in the water, the detection record of a) and b) will be cleared.) b) Drain float switch detects to be in the wa
PBError codeFan motor trouble TROUBLESHOOTING OF PROBLEMS Phenomena on indoor controller board • When LED1 off. 1 Power supply door unit. 2 Defective Power supply indoor unit. Defective 4 • When LED1 1 Mis-setting (There address on indoor controller board • When LED1 Connection wire • When LED1 Miswiring 1 Under twin Refrigerant 2 set. Under grouping whose refrigerant Short-cut Defective point diagram controller board SLZ-KF35VA2.TH SLZ-KF35VA2.TH-ER CN22 Connect to the terminal block (TB5) (Remote controll
PLError codeAbnormal refrigerant circuit During Cooling, Drying, or Auto Cooling operation, the following conditions are regarded as failures when detected for 1 second. a) The compressor continues to run for 30 or more seconds. b) The liquid pipe temperature (TH2) or the condenser/evaporator temperature (TH5) is 167°F [75°C] or more. These detected errors will not be cancelled until the power source is reset.