Sanyo SAP–K92A Technical & Service Manual page 49

C. Check " OPERATION selector " switch in the indoor unit.
• OPERATION selector switch is set
in ON position.
Set OPERATION selector switch
to ON.
D. Check transformer in indoor unit.
• Measure resistance of primary and
secondary winding.
E. Check fuse on the indoor PCB Ass'y.
• Check fuse on indoor PCB Ass'y
for continuity.
• Check operation lamp to see
if light is ON.
• Measure resistance of primary and
secondary winding of transformer.
Indoor PCB Ass'y or switch Ass'y is
defective.
F. Check TIMER on the remote control unit.
• Timer is turned ON. Check to see
if is displayed on remote
ON
control.
YES
NO
(TR)
If fuse has been blown,
(F01)
OK
Light is OFF
(TR)
OK
YES
Indoor PCB Ass'y is defective.
• Measure resistance of indoor and/or
fan motor winding.
• Measure resistance of compressor
motor winding.
• Measure coil resistance of power
relay.
Replace the fuse.
Cancel the timer mode.
46
(FM)
OK
(CM)
OK
(PR)
OK