11.1.8
Display LED STATUS
P1 Over load or too low voltage protection
Check the outdoor power board
Yes
Replace the outdoor power board
Is the power supply right?
11.1.9
Display LED STATUS
P2 Compressor top protection against temperature
Off: 120c; On: 105c
No
Does compressor operate?
Is refrigerant circulation volume normal?
Gas charging
Is protector normal?
Replace protector
No
Yes
No
Yes
Check the outdoor main PCB.
No
Check refrigerant system (such as clogging of capillary, etc)
Is abnormality the same after gas charging
302
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