Faults - WIKA O-10 Betriebsanleitung

8. Faults

8. Faults
In the event of any faults, first check whether the pressure transmitter is mounted correctly, mechani-
cally and electrically.
GB
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 faults 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".
26
Causes
Cable break
Overpressure limit 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
Operating temperature too high/low
Signal span drops/too small
WIKA operating instructions pressure transmitter model O-10
Measures
Check the continuity
Observe the permissible overpressure safety
(see chapter "3. Specifications")
Observe the permissible temperatures
(see chapter 3. "Specifications")
Replace pressure transmitter; if it fails
repeatedly, contact the manufacturer
Replace pressure transmitter; if it fails
repeatedly, 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