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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 processor board is defective. Check the power input and power output on
the processor board.
If it’s needed, replace the processor board.
The control panel is defective. Replace the control panel.
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 is defective. Replace the control panel.
The range
hood is
vibrating.
The blower system is not secure.
Tighten the 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(s) is defective.
Replace the LED(s).
The light wiring(s) is loose.
Check wire continuity from light transformer
to light housing(s).
Light driver is defective.
Check power input and power output on the
light driver. If it’s needed, replace the light
driver.
The control panel is defective.
Replace the control panel.
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 27” 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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