Sharp AY-X36RU Service Manual page 21

Start-up failure (AP1: the control board of the outdoor unit)
8.
Mainly detect:
● Whether the compressor wiring is connected correct?
● Is compressor broken?
● Is time for compressor stopping enough?
Power on the unit
Is stop time of the compressor
longer than 3 minutes?
Y
Does startup fail?
Y
Are the wires for the compressor connected
correctly? Is connection sequence right?
Y
Replace the control panel AP1
N
Is the problem fixed?
N
Replace the
compressor
End
Restart it up after
N
3 minutes
Connect the wires as
N per the connection
diagram
Y
21
AY-X36RU
AE-X36RU