Maintenance And Cleaning; Faults - WIKA MG-1 Betriebsanleitung

7. Maintenance and cleaning / 8. Faults

7. Maintenance and cleaning

7.1 Maintenance
This pressure sensor is maintenance-free.
Repairs must only be carried out by the manufacturer.
When performing maintenance work, the purity requirements of the applicable standards must be observed.
7.2 Cleaning
CAUTION!
Before cleaning, correctly disconnect the pressure sensor from the pressure supply, switch it off
■
and disconnect it from the mains.
Clean the pressure sensor with a moist cloth.
■
Wash or clean the dismounted pressure sensor before returning it in order to protect personnel
■
and the environment from exposure to residual media.
Residual media in dismounted pressure sensors can result in a risk to persons, the environment
■
and equipment. Take sufficient precautionary measures.
Do not use any pointed or hard objects for cleaning, as they may damage the membrane of the
■
process connection.

8. Faults

WARNING!
Open the connections only after the system has been depressurised!
First check whether the system is under pressure and whether the correct power supply and correct wiring type
(2-wire/3-wire) has been selected.
Faults
No output signal
Deviating zero point signal
WIKA operating instructions, model MG-1
Causes
Cable break
Overpressure safety exceeded
Measures
Check the through drilling
Observe the permissible overpressure safety (see
chapter "3. Specifications")
EN
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