9-3. Some part of air conditioner does not operate.
9-3-1. Only indoor fan does not run.
| No |
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If you turn fan gently once or twice |
| |
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| |
by hand, can the fan turn ? |
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Check connectors to P.C.Board.
Check fan casing foreign matter on inside.
Fan motor winding burnout or foreign matter in bearings.
Remove foreign matter or repair.
Repair or replace.
1.Measure resistance of indoor fan motor winding.
2.Is the resistance OK ?
Yes
When fan speed is changed, does applied voltage between lead wires BRN and WHT change as well ?
No
•Check fan motor capacitor.
P.C.Board is defective.
9-3-2. Only flap motor does not run.
Measure resistance of flap motor winding and check the connector.
9-3-3. Only outdoor fan does not run.
No
If you turn fan gently once or twice by hand, can the fan turn ?
Check connectors to indoor unit
P.C.Board.
Check fan casing foreign matter on inside.
Fan motor winding burnout or foreign matter in bearings.
Remove foreign matter or repair.
Repair or replace.
1.Measure resistance of outdoor fan motor winding.
2.Is the resistance OK ?
Yes
Check fan motor capacitor.
Check connectors to outdoor fan motor lead wires.
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