9-2-3. Only outdoor unit does not run.
A. Check setting temperature.
COOL
Is room temperature too low ?
NO
Try to lower setting temperature by temperature setting button (
button).
Outdoor unit still does not run.
•Try to run using another remote control unit.
OK
Remote control unit is defective.
B. Check PCB Ass'y in either indoor or outdoor unit.
• Check voltage between terminals | OK | |
No. 3(+) and No. 4 at terminal plate. | ||
| ||
(DC 24V) |
|
HEAT
Is room temperature too high ?
NO
Try to raise setting temperature by temperature setting button ( 
button).
Outdoor unit still does not run.
•Try to run using another remote control unit.
OK
Remote control unit is defective.
• Outdoor PCB Ass'y is defective.
No voltage appears.
• Indoor PCB Ass'y is defective.
9-2-4. Only indoor unit does not run.
• Indoor PCB Ass'y is defective.
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