WIKA FSD-3, Operating Instructions Manual

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23 WIKA operating instructions flow switch, model FSD-3
EN
14153887.01 09/2016 EN/DE/FR
In the event of any faults, first check whether the flow switch is mounted correctly, mechanically and electrically.
If complaint is unjustified, the handling costs will be charged.
Error display
Via the instrument's display internal errors are shown.
The following table shows the error codes and their meaning.
Error code Description
ATT1 On changing the switch point, the system automatically reduces the reset point.
ATT3 Password entered for menu access is incorrect
ATT4 TAG cannot be shown in the display (e.g. special characters)
ERR Internal error
OL F Measuring range flow exceeded ≥ 10 % (display flashing)
OL T Measuring range temperature exceeded ≥ 5 °C (display flashing)
UL T Below measuring range temperature ≤ 5 °C (display flashing)
Acknowledgement of an error display by pressing the “Enter” key.
Fault Possible cause Measure
No output signal Cable break Check the continuity
No output signal/cable break Mechanical load too high Replace probe 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 measuring
range; sensor drift caused by overtemper -
ature
Check temperature range
Probe break/short circuit Send the instrument to the manufacturer
6. Faults