Some Part Of Air Conditioner Does Not Operate - Technibel MCA451R Technical Data & 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.
Fan cannot
be turned.
OK
• Check fan casing
foreign matter on
inside.
Fan motor burnout
or foreign matter in
bearings.
37
Remove foreign
matter or repair.
Repair or replace.