Mitsubishi Mr. Slim Error Codes P2


Check code P2

Diagnosis of malfunction

Abnormality of indoor coil thermistor (RT2)

Cause

1) Bad contact of thermistor
2) Damaged thermistor

Check points




Mitsubishi Mr. Slim Error Codes P2

Mitsubishi Mr. Slim Error Codes P2

1) Check the thermistor.
2) Measure the resistance of the thermistor.
Normal resistance should be as follows.
32°F····15kΩ 86°F·····4.3kΩ
50°F······9.6kΩ 104°F·····3.0kΩ
68°F······6.3kΩ
If the resistance is normal, replace the indoor controller board.








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