Midea M2OC-14HRDN1 Technical & Service Manual page 32

ODMI-1103-A
8.3.9 Compressor current protection
No
Check the resistance of compressor, is it
normal?
The compressor is defective
No
Turn one indoor unit only, Does the compressor start No
after 3 minutes?
Yes
The compressor is defective
Does the trouble occur again after compressor
running some time?
Yes
Check the refrigerant circulation volume and pressure
If refrigerant circulation volume and pressure is OK, change the outdoor main PCB.