WIKA P-3 Série Mode D'emploi page 23

8. Faults
Faults
Signal span varies/inaccurate
Deviating zero point signal
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 instrument must
be shut down immediately, and it must be ensured that pressure and/or signal are 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 pressure transmitter, model P-3x
Causes
EMC interference sources in the environ-
ment; e.g. frequency converter
Operating temperatures too high/low
Instrument not earthed
Strongly varying pressure of the process
medium
Operating temperature too high/low
Other mounting position
Overpressure limit exceeded
Measures
Shield instrument; cable shield;
remove source of interference
Observe the permissible temperatures
Earth the instrument
Damping; consulting by the manu-
facturer
Observe the permissible temperatures
Correct the zero point via potentiom-
eter or key pad or software
Observe the permissible overpres-
sure limit
EN
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