Voith BTS-Ex - Page 40

BTS
-Ex, non-contacting thermal switch unit
Malfunctions - Remedial Actions, Troubleshooting
Installation and Operating Manual / Version 7 / 3626-019600ex en / Protection class
0: public / 2020-07-15
40
Malfunction
Possible cause(s)
Remedial action
See
Yellow LED 1
(upper LED)
displays incorrectly.
The bracket for the
initiator is not
sufficiently stable.
Vibrations may cause
false signals.
Ensure that the bracket
is of sufficient stability.
Chapter 6.3
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.
Incorrect relay output I.
Check relay output I.
Yellow LED 2
(lower LED)
displays incorrectly.
Incorrect relay output II.
Check relay output II.
RED LEDs are flashing.
Hardware error.
Check devices.
While the start-up bypass
is active, operating fluid
is leaking through the
fusible plugs.
A too high 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.
After the start-up by-pass
time, operating fluid is
leaking through the
fusible plugs, the BTS-Ex
did not display any
excessive temperature.
The nominal response
temperatures of
switching element and
fusible plugs do not
match.
Please consult Voith
Turbo.
Chapter 12
The switching element
is defective.
Check the switching
element, and replace it,
if necessary.
Please consult Voith Turbo ( Chapter 12), if a malfunction occurs which is not included in this
table.
Table 12