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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 FUSE2 / FUSE3 blown?
Check the electrical conduction with tester.
2-2
Yes
Yes
No
No
Replace CR board.
2-3
CN-TD
FUSE3
FUSE2
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
21.5A
16.5A
18.5A
15.5A
(for 3-phase outdoor Unit PCB)
ACXA73-3030* (U-200PZH2E8)
(for 3-phase outdoor Unit PCB)
ACXA73-3028* (U-250PZH2E8)
FUSE2
FUSE3
SM830276-00_欧州向け R32シングル TD&SM.indb 14
19/02/28 13:29:29
Summary of Contents for S-50PU2E5B
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Page 160: ...1 14 8 MEMO SM830276 00_欧州向け R32シングル TD SM indb 8 2019 02 27 11 55 39 ...
Page 176: ... MEMO 2 16 SM830276 00_欧州向け R32シングル TD SM indb 16 19 02 28 13 23 00 ...
Page 182: ... MEMO 3 6 SM830276 00_欧州向け R32シングル TD SM indb 6 19 02 26 10 39 17 ...
Page 238: ... MEMO 5 38 SM830276 00_欧州向け R32シングル TD SM indb 38 19 02 28 13 29 52 ...
Page 316: ...201903 SM830276 00_欧州向け R32シングル TD SM indb 1 19 02 15 8 52 12 ...