Fan motor does not start.
- Improper motor wire size - Rewire using the correct wire gauges as specified by national and local codes.
- Motor not wired properly - See motor manufacturers wiring diagram. Check and correct motor wiring for the supply voltage present. Follow wiring diagram and the National Electric Code.
- Motor not wired for available voltage - Correct the wiring for the supply voltage.
- Electrical supply down - Check the power supply circuit for proper voltage. Check for any fuse or circuit breaker fault. Replace as necessary.
Fan motor starts but does not stay running.
- Incorrect motor starter heater elements installed - Check for the proper heater elements and replace if necessary.
- Electrical circuit overload - Check that the supply power circuit has sufficient power to run all the equipment.