5
803-768-3985
TROUBLESHOOTING
Warning: Electrical shock hazard, serious injury or death may occur. Disconnect from electrical supply
before servicing these products.
Fan system: The head consist of four major parts: Housing, Guards, Motor and Blade. See
troubleshooting array.
Please contact your Patterson Sales Representative for further questions: 800-768-3985
PROBLEM
CHECK
SOLUTION
Fan won’t run and makes no sound.
1. Power cord, extension cord, circuit
breaker.
2. Connections in motor junction box.
3. Connections on motor capacitor.
1. Reconnect power, extension cord,
reset breaker.
2. Verify connections, match motor
data plate.
3. Reattach any loose connections.
Fan motor won’t run and makes
humming sound.
1. Connections in motor junction box.
2. Confirm free rotation of the blade.
3. Connections on motor capacitor.
1. Verify connection with motor data
plate.
2. Shift blade on motor shaft.
3. Reattach any loose connections.
4. Replace motor.
Breaker trips or fuse blows when fan
is started.
1. Connections on motor capacitor.
2. Blade rotation.
3. Motor voltage connections match
power source voltage.
4. Inspect motor barrel for damage.
1. Reattach any loose connections.
2. Shift blade on motor shaft.
3. Check source voltage.
4. Replace motor.
Motor overheating and shutting off,
restarting several minutes later.
1. Extension cord too small.
2. Inlet air obstructed.
3. Motor voltage connections match
power source voltage.
4. Faulty motor.
1. Replace with heavier cord.
2. Provide additional inlet clearance.
3. Check source voltage.
4. Replace motor.
