Galvanized Box Fans
www.lbwhite.com
Owner’s Manual • Galvanized Box Fans
6
Troubleshooting Guide
Symptom
Possible Cause(s)
Corrective Action
Fan will not start
1. Tripped circuit breaker
2. Defective motor
3. Incorrectly wired
4. Electricity turned off
1. Reset circuit breaker
2. Repair or replace
3. Shut off power, check for proper connec
-
tions
4. Contact local power company
Excessive noise or vibration
1. Blade is hitting housing
2. Blade is bent
3. Fan not securely anchored
4. Bad/noisy bearings
1. Free blade of obstruction
2. Replace blade
3. Secure properly
4. Replace motor
Insufficient airflow
1. Incorrect voltage applied
2. Defective motor
3. Propeller is damaged
4. Blocked Airflow
5. Not enough intake air
6. Fan is dirty
1. Wire properly
2. Replace motor
3. Replace propeller
4. Remove obstructions
5. Add additional air intake openings
6. Clean fan guards/screens, motor and
propeller
Motor overheats or trips out
1. Over/under line voltage
2. Defective motor
3. Fan is dirty.
4. Not enough intake air
1. Contact local power company
2. Replace motor
3. Clean fan guards/screens, motor and
propeller
4. Add additional air intake openings