Sanyo SAP–K91AHA - Component Operation Troubleshooting; Indoor Fan Operation Issues; Flap Motor Operation Issues

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 C121 models)
Refer to "8-8 Outdoor Fan Speed Control ".
•
Check thermostat in outdoor unit.
(23S)
•
Measure resistance of flap motor
winding.
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 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.
42