Faults; Error Display - WIKA PSD-30 Mode D'emploi

8. Faults

8. Faults
In the event of any faults, first check whether the pressure switch is mounted correctly,
mechanically and electrically.

Error display

Via the instrument's display internal errors of the instrument are output.
The following table shows the error codes and their meaning.
Error Description
ATT1 On changing the switch point, the system automatically reduces the reset point.
ATT2 Zero-point adjustment error, current pressure is outside the limits
ATT3 Password entered for menu access is incorrect
ATT4 TAG cannot be shown in the display (e.g. special characters)
ERR Internal error
OL Overpressure, measuring range exceeded > approx. 5% (display blinks)
UL Underpressure, below measuring range < approx. 5 % (display blinks)
Acknowledgement of an error display by pressing the „Enter" key.
WIKA operating instructions pressure switch, model PSD-3x
EN
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