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Troubleshooting
Possible Problem
After installation, the
unit doesn't work.
Light works, but blower
is not turning.
The unit is vibrating.
The unit is whistling.
The blower is working,
but the lights are not.
28
Possible Cause
The power source is not turned ON.
The power line and the cable
locking connector is not connecting
properly.
The switch board or control board
wirings are disconnected.
The switch board or control board is
defective.
The wires on control board are loose. Make sure the wires on the control board
The blower wire is not connected.
The thermally protected system
detects if the blower is too hot to
operate and shuts the blower down.
Damaged capacitor.
Blower molex plug pin is not making
contact.
The blower is defective, possibly
seized.
The blower is not secured in place.
Damaged blower wheel.
The hood is not secured in place.
A filter is not in the correct position.
The duct pipe connections are not
sealed or connected properly.
The LED light connector is
disconnected.
Defective LED light.
The switch board or control board is
defective.
Make sure the circuit breaker and the unit's
power is ON.
Check the power connection with the unit is
connected properly.
Make sure the wirings at the switch board
and control board are connected properly.
Change the switch board or control board.
are connected properly.
Make sure the blower wire is plugged into
the molex connector.
The blower will function properly after the
thermally protected system cool down.
Change the capacitor.
Disconnect the blower molex plug, check
pins inside plug to see if pin is pushed inside
the plug too far. Reset pin if needed.
Change the blower.
Tighten the blower in place.
Replace the blower.
Check the installation of the hood.
Adjust the filters until the whistling stops.
Check the duct pipe connections to be sure
all connections are sealed properly.
Connect the LED light connector.
Change the LED light.
Change the switch board or control board.
Monsoon II Use, Care, and Installation Guide
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