Technical data

(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
28
COOL
HEAT