Error code

Mitsubishi Electric PLA code P9

No approved translation for this record yet; showing the original text.

Meaning

TCH070A: Condenser/evaporator temperature ther mistor (TH5) The unit is in 3-minute resume protec 1 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: −40°F [−40:] or less Note: When all of the following conditions have been satisfied, the error is

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 member

Possible causes

(1) Defective thermistor characteristics (2) Contact failure of connector (CN44) on the indoor controller board (Insert failure) (3) Breaking of wire or contact failure of thermistor wiring (4) Temperature of thermistor is 194°F [90:] or more or −40°F [−40:] or less caused by defective refrigerant circuit. (5) Defective indoor controller board 28

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.

Remote technician support

Get help from a technician over a video call.

Send a message Voice call Video call