HAUBER-Elektronik GmbH
18
15
Maintenance and repair
15.1
General notes
Repair and cleaning work on vibration monitoring units may only be performed
by an authorised specialist familiar with the safety regulations governing
handling electrical components.
Replace defective cables immediately!
A defective vibration monitoring unit must be completely replaced.
The vibration monitoring unit HE103 is maintenance-free.
15.2
Fault resolution table
Fault
Cause
Action
No measured
value
(4-20 mA)
No voltage supply
Check voltage source and/or supply
cable
Connection cable interrupted
Replace connection cable
Fuse defective
Replace fuse
Connection has incorrect polarity
Establish correct connection polarity
Vibration monitoring unit defective
Replace vibration control unit
Incorrect
measurement
value
Vibration monitoring unit not
friction-locked.
Mount vibration monitoring unit in a
friction-locked manner.
Vibration monitoring unit mounted
in wrong position.
Mount vibration monitoring unit in correct
position.
EMC
problems
For further information, see chapter
"Alternative earthing concept
” on page
Tab. 7: Fault resolution table