109
[P22]
<Indication 1> <Indication 2>
[Blower system failure]
Outdoor fan sole operation check
1)With the dip switch SW804 set as in the table below, pressing SW801 for approx. 1 second
can check the outdoor fan sole operation. Perform this check to determine which of upper or
lower fan has a problem.
• When SW801 is pressed again for 1 second or when 2 minutes has passed, the fan stops.
2)After the check, set all the SW804 dip switches to OFF.
[P26]
<Indication 1> <Indication 2>
[Compressor drive element shorted out]
[P29]
<Indication 1> <Indication 2>
[Position detection circuit failure]
Check code
Outdoor LED
indication
Check and Action procedure
(No specific description indicates outdoor unit parts.)
Check outdoor control board
If defective, replace it
No
Yes
Yes
Check wiring
Request power source repair
When not energized, the fan motor
can be smoothly rotated by hand.
Fan motor coil resistance is normal.
Between red - white leads 12 -20
Between white - black leads 12 - 20
Between black - red leads 12 - 20
No
Replace fan motor
Power voltage is normal
(AC220-230 V±10 %: single phase)
PC board
P805HR-E, P1105HR-E
(MCC-1571)
Outdoor fan sole operation
SW804
SW801
Press
1
ON
234
Compressor check
(rare short circuit, etc.)
If defective, replace it
The connection between compressor
lead and reactor is correct.
(Check with wiring diagram)
No
Yes
Yes
Correct wiring
No
Replace outdoor board
A operation without compressor lead
does not cause the same problem.
Check outdoor control board
If defective, replace it
PC board
P805HR-E, P1105HR-E
(MCC-1571)
Содержание HWS-P1105HR-E
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Страница 181: ...180 Inverter Assembly HWS P805HR E P1105HR E 711 709 710 705 706 707 704 703 701 708 702 TD TL TS TE TO TO TE ...
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