Fault description
Cause
Remedy
Personnel
Mechanical noises
Impeller is grinding
Readjust the impeller
Bearing noises
Some bearings make clicking noises that can
be disregarded!
Check the bearings and replace them if neces-
sary
Instructed person
Bearing running dry
Instructed person
Electrical noises
The frequency inver-
ter’s clock frequency is
too low
Increase the clock frequency
Skilled qualified
electrician
8.3 Commissioning once a fault has
been rectified
Once the fault has been rectified, work through the fol-
lowing steps for recommissioning:
1.
Reset the emergency stop equipment.
2.
Acknowledge the fault on the control.
3.
Ensure that nobody is in the hazardous area.
4.
Start in accordance with the information in the
chapter entitled “
Faults
Commissioning once a fault has been rectified
Axial fans AXO/BVAXO; AXN/BVAXN; ZAXN/BVZAXN
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