19
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.
