9
Common faults and solutions
If there are any abnormal phenomenon happened during range hood working,
please stop using and unplug power supply and check the faults. Non
professional personnel are not allowed to dismantle range hood. The common
faults and diagnosis are as follow:
Fault
Reason
Solution
Poor wire connect
Lamp is damaged
Poor connect between lamp and socket
The quartz lamp transformer burning out
Poor connect between plug and socket
Power cord break
Fuse of power board breaks
Thermal cutout of motor is working
Condenser burns
Motor burns
Faults of power board and control board
Check the hanging is strong enough
The connecting pieces of the fixed screws
are loose
Volute standing fixed screws are loose
Motor fixed screws are loose
Impeller installation is not in place
Impeller is damaged and balance piece is lost
Too much oil on filter
The air convection in the kitchen is too big
or space sealing is too tight
Higher installation height
Exhaust pipe is too long or too more turns
Outdoor wind is too strong
Repair or change wires
Change lamp
Repair or change
Change transformer
Repair or change
Change power cord
Change fuse
Wait for a while and turn on again
Change condenser
Change motor
Contact maintenance center
Hanging range hood firmly
Tighten screws
Tighten screws
Tighten screws
Install in place
Change impelle
r
Clean filter
Reduce air convection and open
doors and windows moderately
Adjust t
o appropriate height
Install according to the manual
Non technical faults
Lamp is not on
Motor is running
Lamp is not on
Motor is not
running
Lamp is on
Motor is not
running
Violent vibration,
noise increases
Poor suction
