Sanyo CH0951 Technical & Service Manual page 62

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 (
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
No. 3(+) and No. 4 at terminal plate.
(DC 24V)
No voltage appears.
• Indoor PCB Ass'y is defective.
9-2-4. Only indoor unit does not run.
• Indoor PCB Ass'y is defective.
button).
OK
58
HEAT
Is room temperature too high ?
NO
Try to raise setting temperature by
temperature setting 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.
button).