9.2 Faults table
Fault
Possible cause
Remedy
Fan/motor is not
running
No voltage
- Check the supply of
electricity
- Reproduce the supply of
electricity
Motor protection
has switched off
Fuse is defective - Check the fuse
- Insert a new fuse
- Check the motor protec-
tion
Impeller won't
move
- Contact the manufac-
turer
Bearing
damages
- Contact the manufac-
turer
Grinding noises
Impeller is
grinding
- Switch off the fan!
- Contact the manufac-
turer
heavy vibrations
Imbalance
- Switch off the fan!
- Contact the manufac-
turer
Resonance
vibrations in
frequency
converter operat.
- Phase out the reso-
nance frequency on the
frequency converter
Bearing noises
Bearing damage
- Keep the fan under
control!
- Contact the manufac-
turer
Pressure/volume
current reducing
System parts are
not functional
e.g. filter, flap
- Perform functional test
on system parts
- Contact the manufac-
turer
Faults
19.12.2012
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Содержание CRJM
Страница 1: ...Fan series CRJM CRJM01 Please read the instructions before starting any work Operating Manual ...
Страница 16: ...Safety 19 12 2012 16 ...
Страница 20: ...Setup und Function 19 12 2012 20 ...
Страница 32: ...Installation and initialisation 19 12 2012 32 ...
Страница 42: ...Maintenance and repair 19 12 2012 42 ...
Страница 46: ...Faults 19 12 2012 46 ...
Страница 48: ...Dismantling and disposal 19 12 2012 48 ...
Страница 50: ...Appendix 19 12 2012 50 ...