Panasonic S-200PE2E5 Technical Data & Service Manual page 114

H01 Primary (input) Overcurrent Detected
1. Error Detection Method
• Primary current effective value detected overcurrent (trip current value).
Trip current value
3-phase model
Heating
Cooling
2. Error Diagnosis
1 Power
1-1
supply*
1-2
1-3
1-4
2 PC board
2-1
wiring
2-2
5
2-3
* Check not only in the outdoor unit stop mode but in the drive mode.
ACXA73-04770 (U-200PE2E8A)
(for 3-phase outdoor Unit PCB)
HP = horse power
8 HP 10 HP
23.0A 23.0A
21.5A 21.5A
Not satisfied with + 10% rated supply voltage
Extreme voltage fluctuations
Extreme distortion of voltage waveform
Instantaneous blackout may sometimes occur.
Has FUSE 1/FUSE 2 blown?
Check the electrical conduction with tester.
Loose electrical wire connection
Replace CR board.
ACXA73-04750 (U-250PE2E8A)
(for 3-phase outdoor Unit PCB)
5-14
Yes Check power supply
No 1-2
Yes Check power supply
No 1-3
Yes Check power supply
No 1-4
Yes Check power supply
No 2-1
2-3
Yes
No 2-2
Correct wiring
Yes
No 2-3