12
7. Trouble shooting
Problems
Possible Cause
Action
No go
No power supply
Check that the main switch is turned
on
Check that the plug is connected
Poor airflow
Aluminum grease filters clogged
Clean the filters and replace when dry
Charcoal grease filters clogged
Replace charcoal filters with new sets
Motor running but no
airflow
Butterfly valve jammed
Contact technician
Motor cuts after a few
minutes
High temperature safety device
activated
The kitchen is not sufficiently
ventilated
The hood is installed too near
the cooking stove
The hood must be at least 65cm from
stove
Strong cooking smell
Charcoal filters are not installed
Charcoal filters must be installed in re-
circulating mode
Oil dripping onto stove
Oil cup missing or not installed
Remove aluminum filter and replace oil
cup
aluminum grease filter saturated
Wash the aluminum grease filters
Whirring sound
Foreign object in contact with fan
blade
Contact technician