5-14
5
Check power supply
1-3
Extreme voltage fluctuations
Not satisfied with +10% rated supply voltage
1-1
1-2
Extreme distortion of voltage waveform
1-3
Instantaneous blackout may sometimes occur.
1-4
Check power supply
1-2
Check power supply
1-4
Check power supply
2-1
Yes
Yes
Yes
Yes
No
No
No
No
1 Power
supply*
H01 Primary (input) Overcurrent Detected
Error Detection Method
Error Diagnosis
Primary current effective value detected overcurrent (trip current value).
•
1.
2.
2
2-3
2-2
Loose electrical wire connection
2-1
Correct wiring
2-3
Has FUSE 1/FUSE 2 blown?
Check the electrical conduction with tester.
2-2
Yes
Yes
No
No
Replace CR board.
2-3
PC board
wiring
Check not only in the outdoor unit stop mode but in the drive mode.
*
Trip current value
3-phase model
HP = horse power
Heating
Cooling
8 HP
10 HP
23.0A
23.0A
21.5A
21.5A
(for 3-phase outdoor Unit PCB)
ACXA73-04770 (U-200PE2E8A)
(for 3-phase outdoor Unit PCB)
ACXA73-04750 (U-250PE2E8A)
SM830252-01_欧州_Single_8・10HP_TD_SM.indb 14
16/10/12 20:02:31
AMP Air Conditioning
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