Read Sharp AE-XM18CR (serv.man11) Service Manual online
45
AY-XM7/9/12CR
AY-XPM7/9/12CR
AE-XM18/24CR
AY-XPM7/9/12CR
AE-XM18/24CR
Indoor unit
operating
Outdoor unit
completely stopped
Serial short
Serial open
1. Check the wiring between units.
1. Check the wiring between units.
1. Check the wiring between units.
2. Check the fuse in the outdoor unit.
3. Outdoor control board.
1. Rewire.
1. Rewire.
Indoor fan out
of order
1. Is the fan motor locked ?
2. Is the wiring connector firmly fitted ?
3. Is the rotation pulse signal applied to the motor ?
1. Rewire.
2.Replace the fuse, replace the
outdoor board assembly.
3. Replace the board.
1. Replace fan motor
2. Reattach.
3.Replace the indoor control
board assembly.
: Blinks at 1-second intervals
: OFF
: ON
: Blinks 3 times at 0.1-second intervals
Display by indoor unit operation lamp
Displayed in a pattern which comes on at the
same time as the timer lamp
4 seconds off
What to check, procedure
Display by
outdoor
unit lamp
LED
51 ~ 52
Diagnosis
Solution
Condition
of indoor
and
outdoor
unit
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