24
| UK
Your energy.
Optimized.
Troubleshooting
Observation
Problem
Solution
The fan is not operating
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 fan is rotating backwards
Phase sequence in the power to the fan is
reversed
Swap two phases between the frequency
converter and the fan
The fan is vibrating vigorously
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 fan stops in the middle of firing
cycle
The motor is over-heating
Check the flue gas temperature at the fan
inlet. The temperature should not exceed
600 °C during continuous operation. Call
your supplier
for advice.
Summary of Contents for CFIR
Page 1: ...Your energy Optimized Chimney Fan Inline fan CFIR UK Read and save these instructions...
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