16
TROUBLE SHOOTING
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.