24
8-2-2. Neither indoor nor outdoor unit runs.
Power is not supplied.
8-2-3. Only outdoor unit does not run.
Check power relay in outdoor unit.
Check connectors in outdoor unit.
8-3. Some part of air conditioner does not operate.
8-3-1. Only outdoor fan does not run.
NO
Check power supply.
Power is being supplied
to the outdoor unit.
•
Power failure
Reset breaker.
Wait for recovery
or contact power
company.
Circuit breaker
is tripped.
Measure coil resistance of power relay (PR1, PR2)
NO
Reattach GRN/GRN connectors.
Are green/green connectors attached
together in outdoor unit?
Fan cannot
be turned.
Check fan casing
for foreign matter
on inside.
Check fan rotation.
Turn fan gently once or twice
by hand.
•
Measure resistance of outdoor fan
motor winding.
•
OK
•
Fan motor burnout
or foreign matter
in bearings.
Repair or replace.
Remove foreign
matter or repair.
Check fan motor capacitor.(C1 or C2)
•
Refer to " 9-6 Reattaching green connectors for operation".
NOTE
