17
TROUBLE SHOOTING
Issue
Possible Cause
Solution
After
Installation,
both motors
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 unit and processor
board wiring are disconnected.
Check wire continuity from control unit to
processor board.
Lights are
working, but
motor(s) is
not.
The control unit and processor
board is defective.
Replace the control unit or processor
board.
The motor(s) is defective.
Replace the motor.
The capacitor(s) is defective.
Replace capacitor(s).
The range
hood is
vibrating.
The control unit or processor board
is defective.
Replace the control unit or processing
board.
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.
The motor is
working, but
the lights are
not working.
Hood is not secured in place.
Check the installation of hood, tighten the
mounting bracket.
LED light fixture(s) is defective.
Replace LED light fixture(s)
The light wiring(s) is loose.
Check wire continuity from processor
board to light transformer to LED light
fixture(s).
The range
hood is not
venting out
correctly.
The control unit or processor board
is defective.
Replace the control unit or processing
board.
The range hood is installed outside
of the manufacture recommended
clearance.
Adjust the clearance between the range
hoods and cook top to 26” 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.
Cold air is
coming into
the home.
The pipe size is smaller than the
suggested pipe size.
Change the ducting according to the
manufacture suggestion.
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.
