18
TROUBLE SHOOTING
Issue
Possible Cause
Solution
After
Installation,
motor and
lights are not
working.
The power is not on.
Make sure the circuit breaker and the unit’s
power is ON. Use a voltage meter to check the
power supply.
The wire connection is not secure.
Check and tighten wire connection.
The control panel and processor board
wiring are disconnected.
Check wire continuity from control panel to
processor board.
The control panel and processor board
is defective.
Replace the control panel or processor board.
Lights are
working, but
motor(s) is not.
The motor(s) is defective.
Replace the motor.
The capacitor(s) is defective.
Replace capacitor(s).
The control panel or processor board is
defective.
Replace the control panel or processing board.
Motor(s) is
working, but
light(s) is not.
The LED light(s) is defective.
Replace the LED light.
The LED light transformer is defective.
Replace the LED light transformer.
The control panel or processor board is
defective.
Replace the control panel or processing board.
The range
hood is
vibrating.
The blower system is not secure.
Tighten the turbine impeller/squirrel cage and air
chamber.
The turbine impeller/squirrel cage is
not balanced.
Replace the turbine impeller/squirrel cage.
Hood is not secured in place.
Check the installation of hood, tighten the
mounting bracket.
The range
hood is not
venting out
correctly.
The range hood is installed outside of
the manufacture recommended
clearance.
Adjust the clearance between the range hoods
and cook top to 27” to 30”. For Island range
hood, the clearance between the range hoods
and cook top is 30” to 36”.
There is no make-up air inside the
house.
Open the window to enhance the performance
of the range hood by creating a sufficient make-
up air.
Obstacle blocking the pipe work.
Remove all obstacles from the duct work.
The pipe size is smaller than the
suggested pipe size.
Change the ducting according to the
manufacture suggestion.
Cold air is
coming into the
home.
The pipe connection is not properly
sealed.
Check the pipe installation.
The damper is not properly installed or
is missing from the installation.
Check the damper installation.
The damper is not installed.
By installing the damper, it will help to eliminate
air backflow.
