Faults - WIKA A-10 Mode D'emploi

6. Faults

6. Faults
CAUTION!
EN
Physical injuries and damage to property and the environment
If faults cannot be eliminated by means of the listed measures, the pressure transmitter must be taken
out of operation immediately.
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WARNING!
Physical injuries and damage to property and the environment caused by hazardous media
Upon contact with hazardous media (e.g. oxygen, acetylene, flammable or toxic substances),
harmful media (e.g. corrosive, toxic, carcinogenic, radioactive), and also with refrigeration plants and
compressors, there is a danger of physical injuries and damage to property and the environment.
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For contact details see chapter 1 "General information" or the back page of the operating instructions.
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
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Ensure that pressure or signal is no longer present and protect against accidental commissioning.
Contact the manufacturer.
If a return is needed, please follow the instructions given in chapter 8.2 "Return".
Should a failure occur, aggressive media with extremely high temperature and under high pressure
or vacuum may be present at the instrument.
For these media, in addition to all standard regulations, the appropriate existing codes or regulations
must also be followed.
Wear the requisite protective equipment.
Causes
Cable break
Overpressure limit exceeded
Too high/low working temperature
Mechanical overload caused by overpressure
WIKA operating instructions pressure transmitter, model A-10
Measures
Check the continuity
Maintain permissible overpressure limit
Observe the permissible temperatures
Replace instrument; if it fails repeatedly,
contact the manufacturer