9-3. Some part of air conditioner does not operate.
9-3-1. Only indoor fan does not run.
9-3-2. Only flap motor does not run.
9-3-3. Function of outdoor fan speed control does not work properly. (For C122 model)
Refer to "8-9 Outdoor Fan Speed Control ".
9-3-4. Only outdoor fan does not run.
Fan cannot
be turned.
• Check fan rotation.
Turn fan gently once or twice by
hand.
• Check fan casing
foreign matter on
inside.
Fan motor winding
burnout or foreign
matter in bearings.
Remove foreign
matter or repair.
Repair or replace.
OK
• Measure resistance of indoor fan
motor winding.
• Check fan motor capacitor.
OK
• Measure resistance of indoor fan
motor winding.
• Check fan motor capacitor.
• Check connectors to indoor PCB Ass´y.
• Check thermostat in outdoor unit.
(23S)
• Measure resistance of flap motor
winding and connector.
Fan cannot
be turned.
OK
• Check fan rotation.
Turn fan gently once or twice by
hand.
• Check fan casing
foreign matter on
inside.
Fan motor winding
burnout or foreign
matter in bearings.
Remove foreign
matter or repair.
Repair or replace.
• Measure resistance of indoor fan
motor winding.
• Check fan motor capacitor.
OK
• Measure resistance of indoor fan
motor winding.
• Check fan motor capacitor.
NO
• When fan speed is changed, does
applied voltage between lead wires
BRN and WHT change as well ?
• PCB Ass'y is defective.
• Check connectors to PCB Ass´y.
40
Содержание SAP - C122AH
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Страница 52: ...SANYO Electric Co Ltd Osaka Japan SM700566 Sep 2003 50 Printed in Japan ...