Sharp AF-S80CX Service Manual page 30

AF-S80CX
Excessive vibration
or Abnormal noise
At fan only mode,
Excessive vibration
or Abnormal noise
NO
loosen
Is each screws
loosened ?
OK
touching
Is pipe touching to
another parts.
OK
Check mounting of
compressor.
OK
Check compressor
noise and vibration.
OK
Checking complete
YES
dirty
Check the air filter
not dirty
NG
Check rotating
direction of centrifugal
fan.(to clockwise)
OK
Is the fan deformed or deform or broken
broken.
OK
loosened
Is loosened screw
and nut fixing fan ?
OK
Checking complete
Tighten up
Repair with adjusting
shape of pipes.
NG
Repair mounting or
change compressor
cushion.
too big
Change compressor.
Clean the air filter.
NG
Check the fan motor
connector.
OK
NG
Measure the resistance
of fan motor coil.
Change the fan motor.
OK
Change the fan
Tighten up.
30
Connect properly.