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16
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 or 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(s).
The capacitor(s) is defective.
Replace the capacitor(s).
The control panel or processor board
is defective.
Replace the control panel or
processor 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 driver is defective.
Replace LED driver.
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
processor 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 hood and cook top to 26” to
30”. For island hood, the clearance
between the range hood 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.
Installing the damper will help
eliminate air backflow.
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