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46
9-2-2. Neither indoor nor outdoor unit runs
A. Power is not supplied.
B. Check remote control unit.
C. Check “operation selector” switch in the indoor unit.
D. Check transformer in indoor unit.
Measure resistance of primary and
secondary winding. (TR)
•
NO
Check power supply.
Power is being supplied
to the outdoor unit.
•
Power failure
Reset breaker.
Wait for recovery
or contact power
company.
Circuit breaker
is tripped.
YES
NO
OPERATION selector switch is
set in ON position.
•
Set OPERATION selector switch
to ON.
Indoor PCB Ass’y is defective.
OK
Try to run with another remote
control unit.
•
Clean transmitter.
Clean receiver.
Check for residue buildup on
transmitter of remote control unit.
•
Check for residue buildup on remote
control receiver on front of indoor
unit.
•
First remote control unit is defective.
•
000-215 SM (1-56) 7/5/00 2:49 PM Page 46