Hubner TDP 0,7 Series, Assembly Instructions Manual

Page: 20 / 31

D.C. tachometer generator TDP 0,7
20
BETR-TDP0,7-en_R5(2018-12-20)ID74716 .doc
6 Disorders
In disorders that can not be eliminated by the following
instructions, the manufacturer is looking for, see service
address on page 2.
6.1
Diagnosis Chart
Disturbance Possible cause Troubleshooting
Voltage to low
Wrong speed
Speed measurement control
Winding short
Voltage check Consulting
producer
Maximum permissible current
is exceeded
Reduce current.
Irrreversibler damage the
magnets (aging)
Magnets magnetize new
(consult manufacturer).
Voltage values at different
rotation unequal
Neutral zone adjusted. Consulting producer
Bias excitation field by
armature reaction.
Consulting producer
Reversion, tilt the brush in
the holder.
Consulting producer
Harmonics
Burn marks on the
commutator, for example by
short circuits.
Cause for short circuits and
repair
Coupling or assembly errors
(misalignment and parallel
misalignment).
Correct the mounting
mistake
System-related vibrations
and resonance
Possible causes, contact the
manufacturer.
Rotor rotating hard
Armature short circuit,
defective storage
Decouple machine to look
again, a hard place?
Contact the manufacturer.
Grinding noise
Carbon brush holder from
fallen.
Brush back into holder,
avoid strong vibrations.
Rotating parts sand.
Grinding cause notice.
If possible! Remove foreign
matter otherwise contact
manufacturers.