39
12-2-3.Only outdoor unit does not run.
A. Check setting temperature.
B. Check PCB Ass'y in either indoor or outdoor unit.
12-2-4.Only indoor unit does not run.
OK
NO
Is room temperature too low ?
Try to lower setting temperature by
temperature setting button cooler.
Outdoor unit still does
not run.
Remote control unit is defective.
• Try to run using another remote
control unit.
COOL
OK
NO
Is room temperature too high ?
Try to raise setting temperature by
temperature setting button warmer.
Outdoor unit still does
not run.
Remote control unit is defective.
• Try to run using another remote
control unit.
HEAT
• Indoor PCB Ass'y is defective.
• Check voltage between terminals
No. 3(+) and No. 4 at terminal plate.
(DC 24V)
No voltage appears.
• Outdoor PCB Ass'y is defective.
OK
• Indoor PCB Ass'y is defective.
