WIKA A-10 Manual De Instrucciones página 8

6. Maintenance / 7. Dismounting, return and disposal
Faults
Deviating zero point signal
Constant output signal upon change
EN
in pressure
Signal span varies
Signal span varies/inaccurate
Signal span drops/too small
6. Maintenance
6.1 Maintenance
This pressure transmitter is maintenance-free.
Repairs must only be carried out by the manufacturer.
6.2 Cleaning
Only use commercially available and solvent-free cleaning agents.
7. Dismounting, return and disposal
7.1 Dismounting
WARNING!
Hazardous media
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8
Causes
Too high/low temperature of use
Mechanical overload caused by
overpressure
EMC interference sources in the
environment, e.g., frequency converter
Too high/low temperature of use
Mechanical overload caused by
overpressure
Should a failure occur, aggressive media with extremely high temperature and under high pressure
or vacuum may be present at the instrument.
Depressurise and deenergise the pressure transmitter before dismounting it.
Measures
Observe the permissible temperatures
Replace instrument; if it fails repeatedly,
contact the manufacturer
Use shielded cable; remove source of
interference
Observe the permissible temperatures
Replace instrument; if it fails repeatedly,
contact the manufacturer
WIKA operating instructions pressure transmitter, model A-10