Faults - WIKA O-10 Mode D'emploi

8. Faults

8. Faults
In the event of any faults, first check whether the pressure transmitter is mounted correctly, mechani-
cally and electrically.
Faults
No output signal
Deviating zero point signal
Deviating zero point signal
Constant output signal upon
change in pressure
Signal span too small
Signal span varies
Signal span varies/inaccurate Operating temperature too high/low
Signal span drops/too small
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 O-10
Causes
Cable break
Overpressure safety exceeded
Operating temperature too high/low
Mechanical overload caused by
overpressure
Mechanical overload caused by
overpressure
EMC interference sources in the
environment; for example, frequency
converter
Signal span drops/too small
Measures
Check the through drilling
Observe the permissible overpressure safety
(see chapter 3 "Specifications")
Observe the permissible temperatures
(see chapter 3 "Specifications")
Replace pressure transmitter; if it fails repeat-
edly, contact the manufacturer
Replace pressure transmitter; if it fails repeat-
edly, contact the manufacturer
Shield the pressure transmitter; cable shield;
remove source of interference
Observe the permissible temperatures
(see chapter 3 "Specifications")
Contact manufacturer and replace pressure
transmitter
GB
19