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Fault
Light on, but
fandoes not work
Fan do not work
Serious
Vibrationof the
unit
Weak power
ELECTRICAL CONNECTION
DIAGRAM
Cause
The fan bladeis
jammed.
The motor
isdamaged.
light burn
Power
cordlooses.
The fan bladeis
jammed.
The fan motoris
not fixedtightly.
The unit is
nothung
properlyon the
bracket.
The filter is
dirty
Solution
Switch of the unit and repairby
qualified service personnelonly.
Replace the lamp with correct
rating.
Plug in to the power supplyagain
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
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