WIKA TSD-30 Mode D'emploi page 23

8. Faults
Error code Description
ATT1 On changing the switch point, the system automatically reduces the reset point
ATT3 Password entered for menu access is incorrect
ERR Internal error
OL Measuring range exceeded > approx. 5 % (display blinks)
UL Below measuring range < approx. 5 % (display blinks)
Acknowledgement of an error display by pressing the "Enter" key.
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.
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 manu-
facturer
Check media compatibility
Move the temperature-sensitive area
of the sensor into the medium
Remove deposit
Rectify the power supply
Assemble the cable correctly
GB
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