12
TROUBLESHOOTING
SYMPTOM
Fan will not start
1. Check main and branch circuit fuses or circuit breakers.
2. Check line wire connections to fan and switch wire connections
in the switch housings.
CAUTION: Make sure main power is turned off !
3. Make sure reversing switch position is all the way to one side.
SYMPTOM
Fan Sounds Noisy
1. Attach blades to fan before operating.
2. Check to make sure all screws in motor housing are snug (not over-tight).
3. Check to make sure the screws which attach the fan blade holders to the
motor flywheel are tight.
4. Check to make sure wire connectors in switch housing are not rattling against
each other or against the interior wall of the switch housing.
CAUTION: Make sure main power is turned off !
5. Some fan motors are sensitive to signals from solid-state variable speed
controls. Solid-state controls are not recommended, choose an alternative
control method.
6. Tighten screws securely.
7. Tighten set screw securely.
SOLUTION