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C. Check remote control unit.
D. Check fuse on the indoor PCB Ass'y.
E. Check TIMER on the remote control unit.
•
Timer is turned ON. Check to see
if is displayed on remote
control.
YES
Cancel the timer mode.
ON
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 and/or
fan motor winding.
(FM)
•
Measure resistance of compressor
motor winding. (CM)
OK
•
Measure coil resistance of power
relay. (PR)
Replace the fuse.
If fuse has been blown,
OK
•
Try to run with another remote
control unit.
First remote control unit is defective.
•
Check for residue buildup on
transmitter of remote control unit.
•
Check for residue buildup on remote
control receiver on front of indoor
unit.
Clean transmitter.
Clean receiver.
000-111 SM (18-68) 00.3.17 11:49 AM y[W 57