Error code
Mitsubishi Electric PLA code P8
No approved translation for this record yet; showing the original text.
Meaning
Abnormality 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.
Member details
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View details as a memberPossible causes
(1) Slight temperature difference between indoor room temperature and pipe <liquid or condenser / evaporator> temperature thermistor • Shortage of refrigerant • Disconnected holder of pipe <liquid or condenser / evaporator> thermistor • Defective refrigerant circuit (2) Converse connection of extension pipe (on plural units connection) (3) Converse wiring of indoor/ outdoor unit connecting wire (on plural units connection) (4) Defective detection of indoor room temperature and pipe <condenser / evaporator> temperature thermistor (5) Stop valve is not opened completely.
Solution
Solution steps are not shared for faults that may be dangerous.
No do-it-yourself solution is given for this fault. For your safety, call an authorised service.
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Address of this page: https://www.remfixit.com/tr/mitsubishi-electric/pla/p8