Energy Tech Laboratories ETL - Energy Technology Laboratories Blower RSIB 300-500 Manuale Utente

15

- No power to the fan

- Check the power supply wires in the junction box by the fan.
- Check the circuit breaker.
- Check that the fan is actually turned on.

- The capacitor is 

improperly connected 

or not connected at all 

(RSIB 300 only)

- Check the connections inside the junction box. The capacitor must be installed 

according to the wiring diagram.

Phase sequence in 

the power to the fan is 

reversed

- Swap two phases in the junction box.

- A transportation 

device has not been 

removed.
- Foreign matter is 

stuck in the impeller.
- A ball bearing is 

damaged.
- A balancing weight 

has fallen off impeller

- Remove the transportation device.

- Turn off the fan and remove the foreign matter.

- Turn the fan off. After the motor has stopped revolving, spin the impeller and listen 

for a grinding noise from the motor. If necessary, replace bearing or entire motor.

- Re-balance impeller or replace it. Check motor for damages.

The motor is over-

heating

Check the flue gas temperature at the fan inlet. The temperature should not exceed 

500°F (300°C) during continuous operation. Call EXHAUSTO for advise.