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22
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 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.
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 motor is
working, but
the lights are
not working.
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 control panel or processor
board is defective.
Replace the control panel or processing
board.
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 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.
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.
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