11) Symptoms:
LCD on the remote controller displays “CHECK P03”.
(Alarm for unusual discharge temp. of compressor)
12) Symptom:
LCD on the remote controller displays “CHECK P04”. (High-pressure switch activation
warning)
0343_M_I
Start
No
Yes
No
Yes
0344_M_I
Start
Are there connection defects in
the wiring?
High-pressure switch defect
Repair the wiring.
High-pressure switch activation
refrigerant
Refrigerant
37