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Troubleshooting
Symptoms
Motor does not
working
Poor airflow
Motor running but
no airflow
Motor cuts after a
few minutes
Oil dripping onto
stove
Abnormal sound
Lamps do not
light up
Schematic Diagram
Possible Cause
No electrical supply
Aluminum
filters clogged
Charcoal filters
clogged
Butterfly valve
jammed
High temperature
safety device activated.
The hood is installed too
near the cooking stove.
Aluminum filter
Full.
Foreign object in contact
with fan blade.
Lamps are burnt out.
Lamps are loose.
15
Action
Ensure the plug
is connected properly.
Reset circuit breaker.
Clean the filters and
replace when dry
Replace charcoal
filters with new sets
Contact technician
The kitchen is not
sufficiently ventilated.
The hood must be at
least 65cm from stove.
Wash the aluminum
filters.
Contact technician.
Change the lamps.
Tighten the lamps.
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