5-38
5
H02 PAM Trouble (Single-phase only)
Error Detection Method
Error Diagnosis
Error is detected by over-voltage and overcurrent of DC side.
1.
2.
•
1-1
1-2
1-3
1-2
Check power supply
1-3
Yes
No
1
Power
supply*
Yes
No
2-1
2-2
2-3
Correct connection
2-2
Correct connection
or wiring
2-3
Yes
No
2
PC board
wiring
Yes
No
Extreme voltage fluctuations
Extreme distortion of voltage waveform
Check power supply
2-1
Yes
No
Check power supply
Loose electrical wire connection
Is HIC PC board connector (CN-PAM) poorly connected or
opened with wire?
Replace HIC PC board.
Check not only in the outdoor unit stop mode but in the drive mode.
*
Not satisfied with
+
10% rated supply voltage
SM830231-02Single欧州.indb38SM830231-02Single欧州.indb38 2014/09/1115:44:132014/09/1115:44:13