13
7 .Troubleshooting
How to handle exceptions
Note: Non-technical personnel do not disassemble and repair
Common Faults
Cause of failure
Treatment Method
The motor does not run
when the light is off
No power supply at home
；
Poor contact between plug and
socket
Wait for the power supply to work in
your home and try again,
Have it checked by a professional
Power cable break
；
The fuse is blown out
Call supplier for more information
The light is out
；
Motor rotation normal
The LED cold light is broken
；
The power module or control panel
is faulty
Call supplier for more information
The light is on;
Motor does not rotate
Motor over-temperature protection
action
；
Burnt out capacitor
；
Motor burn out
；
The power module or control panel
is faulty
Call supplier for more information
Violent body vibration;
Increase in noise
Check whether the range hood is
firmly suspended;
There is too much oil on the
impeller;
Check whether external screws
are loose
Hang the range hood securely;
Please have it professionally cleaned;
Key lime screw
Check whether the internal screws
are loose;
Whether the impeller is installed
properly;
Impeller damaged or missing
balance block
Call supplier for more information
The suction is not
strong
Too much air convection or too
tight seal in the kitchen;
Smoke pipe is too long, too many
turns
Reduce air convection or moderate
door opening, window non-technical
failure
It's too windy outside;
Installation height is too high
Call supplier for more information
The shell feels tingling
It's damp and the housing is not
properly grounded
Have it checked by a professional
