Emerson CF755AW05, TRUE, CF755ORB05 Trouble Shooting, Trouble Probable Cause Suggested Remedy

Page 9

!WARNING: For your own safety, turn off power at fuse box or circuit breaker before trouble shooting your fan.

Trouble Shooting

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.

 

 

 

 

 

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.

Motor noise caused by solid-state

5.

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.

 

6.

Screws holding blades to flanges

6.

Tighten screws securely.

 

 

are loose.

 

 

 

 

 

 

 

3. Fan wobbles

1.

Setscrew in motor coupling is loose.

1.

Tighten both setscrews securely in the motor

excessively.

 

 

 

coupling.

 

2.

Setscrew in hanger ball/downrod

2.

Tighten the setscrew in the hanger ball/

 

 

assembly is loose.

 

downrod assembly.

 

3.

Screws securing fan blade flanges to

3.

Check to be sure screws which attach the fan

 

 

motor 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 "How to Put

 

 

 

 

Your Ceiling Fan Together".

 

5.

Hanger bracket and/or ceiling outlet

5.

Tighten the hanger bracket screws to the outlet

 

 

box is not securely fastened.

 

box, 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.

 

 

 

 

 

9

U.L. Model No.: CF755

Image 9
Contents Designer Safety Instructions Unpacking Instructions How to Put Your Ceiling Fan Together Electrical Requirements How to Wire Your Ceiling Fan How to Hang Your Ceiling FanUsing Your Ceiling Fan Maintenance AccessoriesEnergy Efficient Use Ceiling Fans Trouble Probable Cause Suggested Remedy Trouble ShootingRepair Parts Repair Parts Listing Air Comfort Products