Emerson CF905VNB00 Fan User Manual


 
14
U.L. Model No.: CF905
Trouble Shooting
WARNING: For your own safety, turn off power at fuse box or circuit breaker before trouble shooting your fan.
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 wire connections to fan and switch
or loose switch wire connections in the wire connections in the switch housing.
switch housing.
WARNING: Make sure main power is
turned OFF.
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 noisy. 1. Blades not attached to fan. 1. Attach blades to fan before operating.
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
motor hub are loose. the fan flanges to the motor hub are tight.
4. Wire connectors inside switch housing 4. Check to make sure wire connectors in switch
rattling. housing are not rattling against each other or
against the interior wall of the switch housing.
WARNING: Make sure main power is
turned OFF.
5. Screws holding blades to flanges 5. Tighten screws securely.
are loose.
6. Motor noise caused by solid-state 6. Some fan motors are sensitive to signals from
variable speed control. Solid-State variable speed controls. If Solid-
State Control is used and motor noise results
choose an alternative control method.
3. Fan wobbles 1. Screws securing fan blade flanges to 1. Check to be sure screws which attach the fan
excessively. motor are loose. blade flanges to the motor are tight.
2. Fan blade flanges not seated properly. 2. 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 "How to Put
Your Ceiling Fan Together".
3. Mounting plate and/or ceiling outlet 3. Tighten the mounting plate screws to the outlet
box is not securely fastened. box, and/or secure outlet box.
4. Fan blades out of balance. 4. Interchanging an adjacent (side-by-side) blade
pair can redistribute the weight and result in
smoother operation.
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