18
U.L. Model No.: CF901
FOR YOUR OWN SAFETY TURN OFF POWER AT FUSE BOX OR CIRCUIT BREAKER BEFORE
TROUBLESHOOTING YOUR FAN.
WARNING
!
13. Troubleshooting
Make sure main power is turned OFF.
WARNING
!
Make sure main power is turned OFF.
WARNING
!
TROUBLE PROBABLE CAUSE SUGGESTED REMEDY
1. Fan will not start.
1. Fuse or circuit breaker blown. 1. Check main and branch circuit fuses or circuit breakers.
2. Loose power line connections to the fan 2. Check line power connections to fan and switch wire
or loose switch wire connections in the connections in the switch housing.
switch housing.
3. Reversing switch in neutral position. 3. Make sure reversing switch position is all the way to one
side.
4. Fan Wall Control is OFF. 4. Turn ON Fan Wall Control.
2. Fan sounds
1. Blades not attached to fan. 1. Attach blades to fan before operating.
noisy.
2. Loose screws in motor housing. 2. Check to make sure all screws in motor housing are snug
(not over-tight).
3. Screws securing fan blade flanges to 3. Check to make sure the screws which attach the fan
motor hub are loose. flanges to the motor hub are tight.
4. Wire connectors inside switch housing 4. Check to make sure wire connectors in switch housing are
rattling. not rattling against each other or against the interior wall
of the switch housing.
5. Screws holding blades to flanges are loose. 5. Tighten screws securely.
6. Motor noise caused by solid-state 6. Some fan motors are sensitive to signals from
variable speed controls. Solid-State variable speed control. If Solid-State Control is
used and motor noise results choose an alternative control
method.
3. Fan wobbles
1. Set screw in motor coupling is loose. 1. Tighten both set screws securely in the motor coupling.
excessively.
2. Set screw in hanger ball/downrod assembly 2. Tighten the set screw in the hanger ball / downrod
is loose. assembly.
3. Screws securing fan blade flanges to motor 3. Check to be sure screws which attach the fan
are loose. blade flanges to the motor are tight.
4. Fan blade flanges not seated properly. 4. Check to be sure the fan blade flanges seat firmly and
uniformly to the surface of the motor. If flanges are seated
incorrectly, loosen the flange screws and retighten
according to the procedure in the section on "Ceiling Fan
Assembly”.
5. Hanger bracket and/or ceiling outlet box is not 5. Tighten the hanger bracket screws to the outlet box,
securely fastened. and/or secure outlet box.
6. Fan blades out of balance. 6. Interchanging an adjacent (side-by-side) blade pair can
redistribute the weight and result in smoother operation.
