Error code

Mitsubishi Electric PSA code P1

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

Meaning

Room temperature thermistor (TH1) 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 operation. 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 member

Possible causes

(1) Defective thermistor characteristics (2) Contact failure of connector (CN20) on the indoor controller board (Insert failure) (3) Breaking of wire or contact failure of thermistor wiring (4) Defective indoor controller board

Solution

Solution steps are available to members and are not shown on this page. Answer the questions to open the solution.

Remote technician support

Get help from a technician over a video call.

Send a message Voice call Video call