8-3. Some part of air conditioner does not operate.
8-3-1. Only indoor fan does not run.
8-3-2. 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.
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.
37