Voith BTS User Manual

Installation and Operating Manual / Version 10 / 3626-011500 en
/ Protection class 0: public / 2017-12-15
37
BTS, non-contacting thermal switch unit
Malfunctions - Remedial Actions, Troubleshooting
Malfunction
Possible
cause(s)
Remedial action
See
Display on the evaluator:
Display appears again
after switching OFF and
ON.
Electronic error.
Defective evaluator.
Switch OFF and ON the
supply voltage.
Replace the evaluator.
After the start-up bypass
time, excessive
temperature (
)
is always displayed
although there is no
excessive temperature.
A too short start-up
bypass time was
selected.
After the start-up
bypass time, the speed
of the turbo coupling
with switching element
should have clearly
exceeded 60 rpm.
Increase the start-up
bypass time
accordingly.
The initiator poles are
reversed.
Check the initiator
connection.
Chapter 6.4
The distance between
initiator head and
switching element is too
large.
Set the distance to 4 ±
1 mm.
Chapter 6.4
The initiator is
defective.
Check the initiator, and
replace it, if necessary.
The switching element
is defective.
Check the switching
element, and replace it,
if necessary.
After the start-up bypass
time, excessive
temperature is
occasionally displayed
(
) although
there is no excessive
temperature.
The distance between
the initiator head and
the switching element is
too large.
Set the distance to 4 ±
1 mm.
Chapter 6.4
The bracket for the
initiator is not
sufficiently stable.
Vibrations may cause
false signals.
Ensure that the bracket
is of sufficient stability.
Chapter 6.4
While the start-up bypass
is active, operating fluid
is leaking through the
fusible plugs.
A too long start-up
bypass time was
selected.
Set a shorter start-up
bypass time so that the
speed of the turbo
coupling with switching
element will have
clearly exceeded 60
rpm after the start-up
bypass time.

Voith BTS Specifications

General

Brand	Voith
Model	BTS
Category	Switch
Language	English