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 processor board is defective.
The control panel is defective.
Lights are
The motor(s) is defective.
working, but
The capacitor(s) is defective.
motor(s) is not.
The control panel is defective.
The range
The blower system is not secure.
hood is
vibrating.
The squirrel cage is not balanced.
Hood is not secured in place.
The motor is
LED(s) is defective.
working, but
the lights are
The light wiring(s) is loose.
not working.
Light driver is defective.
The control panel is defective.
The range
The range hood is installed outside
hood is not
of 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 the power input and power output on
the processor board.
If it's needed, replace the processor board.
Replace the control panel.
Replace the motor.
Replace capacitor(s).
Replace the control panel.
Tighten the squirrel cage and air chamber.
Replace the squirrel cage.
Check the installation of hood, tighten the
mounting bracket.
Replace the LED(s).
Check wire continuity from light transformer
to light housing(s).
Check power input and power output on the
light driver. If it's needed, replace the light
driver.
Replace the control panel.
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".
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.
By installing the damper, it will help to
eliminate air backflow.
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