manual

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 unit is defective. Replace the control unit
Lights are
working, but
motor(s) is
not.
The motor is defective. Replace the motor.
The capacitor(s) is defective. Replace the capacitor(s).
The control unit is defective. Replace the control unit.
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 is loose. Check wire continuity from processor
board to light transformer to LED light
fixture(s).
The control unit or LED light driver
is defective.
Replace the control unit or LED light
driver.
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. Installing the damper will help eliminate
air backflow.