– IV-9 –
(4)
Indoor unit does not run.
The indoor fan and louver motor do not run.
P.C.B. Ass’y is defective.
(5)
Some parts fail to operate.
(1) The indoor fan does not run.
• Check resistance of fan
motor winding.
• Check fan motor capacitor.
OK
Relay RY1 or RY2 on P.C.B.
Ass’y is defective.
• Check fan rotation.
Rotate fan gently once or
twice by hand.
Check fan casing
for foreign matter
on inside.
Remove foreign
matter or repair.
Repair or replace.
Fan cannot
be rotated.
Fan motor burnout
or foreign matter
in bearing.
OK
(2) Louver motor does not run.
• Check resistance of
louver motor winding.
P.C.B. Ass’y or remote
control unit is defective.
OK