Error code
Mitsubishi Electric klima code P9
No approved translation for this record yet; showing the original text.
Meaning
mistor / Condenser-Evaporator (TH5) The unit is in three-minute resume pro1 tection mode if short/open of thermistor is detected. Abnormal if the unit does not get back to normal within three minutes. (The unit returns to normal operation, if it has normally reset.) Constantly detected during cooling, dry2 ing, and heating operation (except defrosting) Short: 90: or more Open: -40: or less
Member details
Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.
View details as a memberPossible causes
(1) Defective thermistor characteristics (2) Contact failure of connector (CN29) on the indoor controller board. (Insert failure) (3) Breaking of wire or contact failure of thermistor wiring. (4) Temperature of thermistor is 90: or more or -40: or less caused by defective refrigerant circuit. (5) Defective indoor controller board.
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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