Dismounting, Return And Disposal - WIKA MG-1 Mode D'emploi

8. Faults / 9. Dismounting, return and disposal
Faults
Deviating zero point signal
EN
Constant output signal upon change
in pressure
Signal span too small
Signal span varies
Signal span varies/inaccurate
Signal span drops/too small
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".

9. Dismounting, return and disposal

WARNING!
Residual media in dismounted pressure sensors can result in a risk to persons, the environment and
equipment.
Take sufficient precautionary measures.
9.1 Dismounting
WARNING!
Only disconnect the pressure sensor once the system has been depressurised!
18
Causes
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
Measures
Observe the permissible temperatures (see Chapter
"3. Specifications")
Replace pressure sensor; if it fails repeatedly,
contact the manufacturer
Replace pressure sensor; if it fails repeatedly,
contact the manufacturer
Shield the pressure sensor; Cable shielding; remove
source of interference
Observe the permissible temperatures (see chapter
"3. Specifications")
Contact manufacturer and replace pressure sensor
WIKA operating instructions, model MG-1