Faults - WIKA D-1-7 Serie Manual De Instrucciones

8. Faults

8. Faults
In the event of any faults, first check whether the pressure transmitter is mounted correctly, mechanically
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
Signal span drops / too small
If complaint is unjustified, we will charge you the complaint processing fees.
CAUTION!
If deficiencies cannot be eliminated by means of the measures listed above, shut down the
instrument immediately, and ensure that pressure and/or signal are no longer present, and
secure the instrument from being put back into operation inadvertently. In this case, contact
the manufacturer. If a return is needed, please follow the instructions given in chapter "9.2
Return".
WIKA operating instructions pressure transmitter model D-1x-7
Causes
Cable break
Overpressure safety exceeded
Too high/low working temperature
Mechanical overload caused by
overpressure
Mechanical overload caused by
overpressure
EMC interference sources in the
environment; for example, frequency
converter
Too high/low working temperature
Signal span drops / too small
Measures
Check the continuity
Observe the permissible overload limit
Observe the permissible temperatures
Replace instrument; if it fails repeat-
edly, contact the manufacturer
Replace instrument; if it fails repeat-
edly, contact the manufacturer
Shield instrument; cable shield;
remove source of interference
Observe the permissible temperatures
Contact manufacturer and replace
instrument
GB
27