Wika TSD-30 Manual de usuario descargar pdf (Pagina 23)

23WIKA operating instructions temperature switch model TSD-30

11613025.02 12/2011 GB/D/F/E

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 Possible cause Measure

No output signal Cable break Check the through drilling

No output signal / line break Mechanical load too high Replace sensor with a suitable design

No output signal No/wrong power supply Rectify the power supply

No/wrong output signal Wiring error Observe the pin assignment

Wrong output signal Process temperature out of range;

Sensor drift caused by overtemperature

Sensor burnout/short circuit

Check temperature range

Send the instrument to the manu-

facturer

Wrong output signal Sensor drift caused by chemical attack Check media compatibility

Wrong output signal and too long

response time

Wrong mounting geometry, for example

mounting depth too deep or heat dissi-

pation too high

Deposit on the sensor

Move the temperature-sensitive area

of the sensor into the medium

Remove deposit

Signal span too small Power supply too high/low Rectify the power supply

Signal span drops Humidity has entered Assemble the cable correctly

If complaint is unjustied, we will charge you the complaint processing fees.

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Wika TSD-30 Manual de usuario Pagina 23