Toshiba HWS-802XWHT6-E User Manual

Page 99

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98

Toshiba

[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

Power voltage is normal
(230ACV ± 23V)

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

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

+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 98 Monday, October 5, 2009 2:09 PM

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