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Troubleshooting
DANGER:
Turn off the power circuit breaker or the power switch on the junction box before performing maintenance . Touching circuitry inside
the ventilation fan while it is energized may result in serious injury or death .
Failure to maintain basic standards of care and cleaning of the ventilation fan increases the risk of fire, electric shock, or injury to
WARNING:
persons. Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power from
being switched on accidentally. When the service disconnecting means cannot be locked, securely fasten a prominent warning device, such as
a tag, to the service panel.
Problem
The fan does not operate .
The fan vibrates when the fan is operating .
The fan seems weak .
The fan is not venting properly .
The fan is making excessive noise .
Solution
- Check that the power supply cable and all electrical wiring are properly
connected .
- Check that the fan blade is not obstructed .
- Check that the power is turned on at the junction box or circuit breaker .
- Check that the fan has been secured properly . Tighten into position, if
necessary .
- Check that the motor is secured in place . If not, then tighten the motor in place .
- Check that the fan is not damaged . If so, replace the fan .
- Check that the duct size used is of appropriate size . The fan will not function
efficiently with insufficient duct size.
- Check that the duct is not clogged with debris and the tight mesh on the wall
cap, if applicable, is not restricting air flow.
- Check that the damper unit is opening properly .
- Check that no birds or animals have nested in the duct .
- Reduce the length of duct work and the number of elbows if necessary . Ensure
that all joints are properly connected, sealed, and taped .
- Check that the duct does not open against the wind .
- Check to make sure there is nothing blocking the fan blade .
- The fan motor is permanently lubricated and does not need to be oiled or
lubricated . If the motor bearings are making excessive or unusual noises they
should be replaced . The fan blade should also be replaced at that time .
- Check to make sure that the fan's damper can pivot freely and is not
obstructed .
- Check to make sure the damper in the wall or roof cap can pivot freely and is
not obstructed .
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Please contact cs@conglomkb.com or 1-877-333-0098 for further assistance .
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