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