WIKA TSD-30 Manual De Instrucciones página 29

8. Faults
Problem
No output signal
No output signal / line break
No output signal
No/wrong output signal
Wrong output signal
Wrong output signal
Wrong output signal and too
long response time
Signal span too small
Signal span drops
If complaint is unjustified, we will charge you the complaint processing fees.
CAUTION!
If faults cannot be eliminated by means of the measures listed above, the temperature
switch must be shut down immediately, and it must be ensured that signal is no longer
present, and it must be prevented from being inadvertently put back into service. In this
case, contact the manufacturer. If a return is needed, follow the instructions given in chapter
9.2 "Return".
WIKA operating instructions temperature switch, model TSD-30
Possible cause
Cable break
Mechanical load too high
No/wrong power supply
Wiring error
Process temperature out of range;
Sensor drift caused by overtemperature
Sensor burnout/short circuit
Sensor drift caused by chemical attack
Wrong mounting geometry, for example
mounting depth too deep or heat dissi-
pation too high
Deposit on the sensor
Power supply too high/low
Humidity has entered
Measure
Check the through drilling
Replace sensor with a suitable
design
Rectify the power supply
Observe the pin assignment
Check temperature range
Send the instrument to the manufac-
turer
Check media compatibility
Move the temperature-sensitive area
of the sensor into the medium
Remove deposit
Rectify the power supply
Assemble the cable correctly
EN
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