Faults - WIKA A-10 Manual De Instrucciones

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8. Faults

8. Faults
In the event of any faults, first check whether the pressure transmitter is mounted correctly, mechanically
GB
and electrically.
Faults
No output signal
Deviating zero point signal
Deviating zero point signal
Constant output signal upon
change in pressure
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 faults cannot be eliminated by means of the measures listed above, shut down the
pressure transmitter 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, follow the instructions given in chapter
9.2 "Return".
22
Causes
Cable break
Overpressure limit exceeded
Too high/low working temperature
Mechanical overload caused by
overpressure
EMC interference sources in the
environment; for example, frequency
converter
Too high/low working temperature
Mechanical overload caused by
overpressure
WIKA operating instructions pressure transmitter model A-10
Measures
Check the continuity
Observe the permissible overpressure
limit
Observe the permissible temperatures
Replace instrument; if it fails repeatedly,
contact the manufacturer
Shield instrument; cable shield; remove
source of interference
Observe the permissible temperatures
Replace instrument; if it fails repeatedly,
contact the manufacturer

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