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15
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 switch is defective.
Replace the control switch.
Lights are
working, but
motor(s) is
not.
The motor(s) is defective. Replace motor.
The capacitor(s) is defective. Replace capacitor(s).
The control switch is defective.
Replace the control switch.
The range
hood is
vibrating.
The blower system is not
secure.
Tighten the turbine impeller/squirrel cage and
air chamber.
The squirrel cage is not
balanced.
Replace the 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(s) is defective.
Replace the LED light.
The light wiring(s) is loose. Check wire continuity from light transformer
to LED light housing(s).
Light transformer is defective. Check power input and power output on the
light transformer. If it’s needed, replace the
light transformer.
The control switch is defective.
Replace the control switch.
The range
hood is not
venting out
correctly.
The range hood is installed
outside of the manufacturer
recommended clearance.
Adjust the clearance between the range
hoods and cooktop to 26” to 30”. For Island
range hood, the clearance between the
range hood and cooktop 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.
The pipe connection is not
properly sealed.
Check the pipe installation.
Cold air is
coming into
the home.
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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