2.4.4.10. Porucha P0
P0 display
Temperature protection of
compressor top
Whether compressor
operates?
Whether refrigerant
circulation volume is
normal?
Whether abnormality is the
same after gas charging?
Yes
No
No
Reconnect and retest.
No
Check refrigerant system
(such as clogging of capillary
etc.)
No
Whether the connection is
good?
Replace the outdoor main PCB
Yes
Replace the protector.
No
Yes
Charge refrigerant
Whether protector is normal? If
protector is normal,resistance = 0
