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

6. Faults / 7. Maintenance and cleaning

6. Faults

EN
In the event of any faults, first check whether the gas density sensor is mounted correct-
ly, mechanically and electrically.
Faults
Gas density value
decreases steadily
No communication via
Modbus or current
®
signal

7. Maintenance and cleaning

7.1 Maintenance

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

7.2 Cleaning

26
For contact details see chapter 1 "General information" or the back page
of the operating instructions.
Causes
Leaks in the gas
compartment
Electrical connection
not correct
Configuration error
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".
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
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