Some Part Of Air Conditioner Does Not Operate - Technibel MCAV77R5VAA Technical & Service Manual

8-3. Some part of air conditioner does not operate.

8-3-1. Only indoor fan does not run.
• Check fan rotation.
Turn fan gently once or twice by
hand.
• Measure resistance of indoor fan
motor winding.
• Check fan motor capacitor.
8-3-2. Only flap motor does not run.
• Measure resistance of flap motor
winding.
8-3-3. Only outdoor fan does not run.
• Check fan rotation.
Turn fan gently once or twice by
hand.
• Measure resistance of outdoor fan
motor winding.
• Check fan motor capacitor.
Fan cannot
be turned.
OK
Fan cannot
be turned.
OK
• Check fan casing
foreign matter on
inside.
Fan motor burnout
or foreign matter in
bearings.
• Check fan casing
foreign matter on
inside.
Fan motor burnout
or foreign matter in
bearings.
47
Remove foreign
matter or repair.
Repair or replace.
Remove foreign
matter or repair.
Repair or replace.