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Fault
Light on, but fan
does not work
Fan do not work
Serious Vibration
of the unit
Weak power
ELECTRICAL CONNECTION DIAGRAM
Cause
The fan blade is
jammed.
The motor is
damaged.
light burn
Power cord
looses.
The fan blade is
jammed.
The fan motor is
not fixed tightly.
The unit is not
hung properly
on the bracket.
The filter is
dirty
PCB
MOTOR 1
Solution
Switch of the unit and repair by
qualified service personnel only.
Replace the lamp with correct
rating.
Plug in to the power supply again
Switch of the unit and repair by
qualified service personnel only.
Switch of the unit and repair
by qualified service personnel only.
Take down the unit and check
whether the bracket is in proper
location.
Clean the filter
MOTOR 2
49
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