5
Troubleshooting
Symptom
Possible causes
Corrective action
Fan not operating
1. Ensure you have power
1. Plug fan in
2. Ensure wiring is done properly
2. Ensure wiring is correct
3. Blown fuse or tripped breaker
3. Replace fuse or reset breaker
4. Fan blade contacting fan housing
4. Realign fan blade in fan housing
5. Fan control defective
5. Repair or replace control
6. Motor defective
6. Repair or replace motor
Fan operating - insufficient airflow
1. Guard dirty
1. Clean guard
2. Incorrect belt tension
2. See Maintenance Table - Belt tension
Excessive fan noise
1. Fan blade contacting fan housing
1. Realign fan blade in fan housing
2. Motor bearing defective
2. Repair or replace motor
Excessive vibration
1. Motor loose in mount
1. Tighten fasteners
2. Fan blade damaged
2. Replace fan blade
3. Motor shaft bent
3. Repair or replace motor
4. Fan shaft bent
4. Replace fan shaft
5. Pillow block bearings defective
5. Replace pillow block bearings
2. FAN SHAFT
3. BELT
4. MOTOR/SHAFT
MOUNTING PAN
1. PILLOW BLOCK
BEARINGS
9. MOTOR
5. UPRIGHT
6. VENTURI
7. PULLEYS
8. BLADE
10. GUARD
11. BRACKET
13. HANDLE
14. TOGGLE SWITCH
15. POWER CORD
STRAP
16. POWER CORD
12. WHEEL
Parts Identification
