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52
ELECTRICAL CONNECTION
DIAGRAM
Fault
Cause
Solution
Light on, but
fandoes not work
The fan bladeis
jammed.
Switch of the unit and repairby
qualified service personnelonly.
The motor
isdamaged.
Fan do not work
light burn
Replace the lamp with correct
rating.
Power
cordlooses.
Plug in to the power supplyagain
Serious
Vibrationof the
unit
The fan bladeis
jammed.
Switch of the unit and repair
by qualified service personnel
only.
The fan motoris
not fixedtightly.
Switch of the unit and repair
by qualified service personnel only.
The unit is
nothung
properlyon the
bracket.
Take down the unit and check
whether the bracket is in proper
location.
Weak power
The filter is
dirty
Clean the filter
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