Fault description
Cause
Remedy
Personnel
Mechanical noises
Belt protection not
attached correctly
Fix the belt protection
Instructed person
Contamination on the
casing or impeller
Clean the casing / impeller
Instructed person
Impeller is grinding
Caused by a misaligned connection duct due
to deformation of the casing, for example.
Check the impeller gap
Realign the fan
Readjust the impeller
Correct V-belt pre-tension
Instructed person
Bearing noises
Some bearings make clicking noises that can
be disregarded!
Check the bearings and replace them if nec-
essary
Instructed person
Bearing running dry
Regrease bearing according to table
Instructed person
Bearing temperature
too high
Not enough grease or
greased is used up
Regrease bearing according to table
Instructed person
Bearing defective
Replace bearing
Instructed person
V-belt pre-tension too
high
Correct V-belt pre-tension
Instructed person
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
Centrifugal fans REH; RZH; BVREH; BVRA
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