Panasonic S-36PU1E5A Technical Data & Service Manual page 560

H02 PAM Trouble (Single-phase only)
1. Error Detection Method
•
Error is detected by over-voltage and overcurrent of DC side.
2. Error Diagnosis
1 Power
1-1
supply*
1-2
1-3
2 PC board
2-1
wiring
2-2
2-3
*
Check not only in the outdoor unit stop mode but in the drive mode.
5
Not satisfied with + 10% rated supply voltage
Extreme voltage fluctuations
Extreme distortion of voltage waveform
Loose electrical wire connection
Is HIC PC board connector (CN-PAM) poorly connected or
opened with wire?
Replace HIC PC board.
5-38
Yes Check power supply
No 1-2
Yes Check power supply
No 1-3
Yes Check power supply
No 2-1
Yes Correct connection
No 2-2
Correct connection
Yes
or wiring
No 2-3