Maintenance And Cleaning; Maintenance; Cleaning - WIKA GD-20 Operating Instructions Manual

6. Faults / 7. Maintenance and cleaning
In the event of any faults, first check whether the gas density sensor is mounted correctly, mechanically and electrically.
Faults
Gas density value decreases
steadily
No communication via
Modbus or current signal
®
CAUTION!
Physical injuries and damage to property and the environment
If faults cannot be eliminated by means of the listed measures, the gas density sensor must be taken out
of operation immediately.
▶
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 9.2 "Return".

7. Maintenance and cleaning

7.1 Maintenance

This pressure sensor is maintenance-free.
Repairs must only be carried out by the manufacturer.

7.2 Cleaning

CAUTION!
Physical injuries and damage to property and the environment
Improper cleaning may lead to physical injuries and damage to property and the environment. Residual
media in the dismounted instrument can result in a risk to persons, the environment and equipment.
▶
Carry out the cleaning process as described below.
WIKA operating instructions gas density sensor, model GD-20
Causes
Leaks in the gas compartment
Electrical connection not correct
Configuration error
Measures
Control mechanical mounting of the sensor
Search for leaks with leak detector e.g. model GIR-10
Check wiring and supply voltage
Query via WIKA start-up kit
EN
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