17
TROUBLESHOOTING
Fault
Cause
Solution
Light on, but
fan does not
work
The fan blade is
jammed.
Switch off the unit. Repair to
be carried out by qualified
service personnel only.
The motor is
damaged.
Both light
and fan do
not work
Power cord loose
Plug in to the power supply
again.
Excessive
Vibration
The fan blade is
damaged.
Switch off the unit. Repair to
be carried out by qualified
service personnel only.
The fan motor is not
fixed tightly.
Switch off the unit. Repair to
be carried out by qualified
service personnel only.
The unit is not hung
properly on the
bracket.
Take down the unit and
check whether the bracket is
in proper location.
Suction
performance
not good
1. Grease filters
clogged
2. Distance between
the unit and the
cooking plane too
great.
1
Clean or replace grease
filters.
2
Adjust the distance to
between 70cm and 80cm.