Chapter 6 – Exhaust Fan Section, Page 6-4_____________________________________________________
Exhaust Fan - Troubleshooting
Troubleshooting – Exhaust Fan
Symptom
Probable Cause
Corrective Action
Reduced Airflow
1.
Fan wheel turning in the
wrong direction. **
1.
Re-wire fan motor.
2.
Belt slippage or broken belt.
1.
Tighten or replace belt.
3.
Magnetic starter overload cut
out.
1.
Push starter reset button.
If overloads continue to
cut out search for cause.
Noise in exhaust fan.
1.
Bad fan bearings.
1.
Replace bearings
2.
Loose tie rods or blades
1.
Replace fan wheel.
3.
Fan wheel loose on shaft
1.
Tighten wheel.
4.
Foreign objects located in fan
wheel or fan housing.
1.
Clean the fan wheel.
Chart C-6-4-1
Exhaust Fan Troubleshooting
**Warning: Running the fan backwards will overheat the
motor and can cause bearing failure or other serious damage
and will void the Warranty.
Содержание RSPC-ESP-OW Series
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