(
5
) Check setting temperature.
If fuse blows, there is a
possibility of short circuit.
Check fuse on PCB Ass’y in indoor unit
for continuity.
Measure resistance of indoor fan motor
winding (FMI).
PCB Ass’y in indoor unit is defective.
(
4
) Check fuse on PCB Ass’y in indoor unit.
OK
Is room temperature too low?
•
Remote control unit is defective
•
Try to use another remote
control unit
Try to lower setting temperature by
temperature setting button
Outdoor unit still does
not run
Is room temperature too high?
•
Remote control unit is defective
•
Try to use another remote
control unit
Try to raise setting temperature by
temperature setting button
Outdoor unit still does
not run
NO
OK
NO
OK
2
8
COOL
HEAT
