OK
OK
•
Check fuse on indoor PCB Ass'y
for continuity. (F)
•
Check operation lamp to see
if light is ON.
Light is OFF
•
Measure resistance of primary and
secondary winding of transformer.
(TR)
Indoor PCB Ass'y or switch Ass'y is
defective.
OK
OK
•
Measure resistance of indoor fan
motor winding.
(FM)
•
Measure resistance of flap motor
winding. (FLP)
OK
•
Measure coil resistance of power
relay. (PR )
Replace the fuse.
If fuse has been blown,