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