Midea MFE-60ARN1-RB4W Service Manual page 46

9.3.1 Open or short circuit of temperature sensor
Open or short circuit of
temperature sensor
Check the connections
between temperature
sensor and PCB. Are
the connections good?
Yes
Check the resistance value
of the sensor via Appendix 1
Is it normal?
No
Replace the sensor
9.3.2 Default phase of compressor
No Correct the connections.
Yes Replace indoor or outdoor PCB.
43