5
-3. Some part of air conditioner does not operate.
5
-3-1. Only indoor fan does not run.
5
-3-2. Only flap motor does not run.
5
-3-3. Only outdoor fan does not run.
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 outdoor fan
motor winding.
• Check fan motor capacitor.
• 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.
PCB assy is defective.
OK
18
