20
WIKA operating instructions, model GDM-RC-100
EN
14385258.01 04/2020 EN/DE
6. Faults
CAUTION!
Physical injuries and damage to property and the environment
If faults cannot be eliminated by means of the listed measures, the gas
density monitor 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”.
For contact details see chapter 1 “General information” or the back page
of the operating instructions.
Faults
Causes
Measures
Contact is no longer
switching in accordance
with the specification.
Electrical connection is
interrupted.
Carry out a continuity test on
the electrical connection lines.
Electrical load unsuitable for
the switch contact model.
Maintain the permissible
electrical loads for the switch
contact model.
Contact contaminated.
Switching status remains
unchanged despite
reaching the switch point/
reset point.
Contacts defective (e.g. fused
contact zone).
Replace instrument. Before
recommissioning the
new instrument, provide
a protective circuit for the
contact.
No pointer movement
despite change in
pressure.
Movement blocked.
Replace instrument.
Pointer movement, even
though depressurised.
Warming or cooling of the
measuring instrument (no
damage)
Let the instrument settle for 2
hours at 20 °C.
For claims, the serial and product numbers must be stated. The serial number is printed
on the dial, the product number on the product label. With claims, the atmospheric
pressure and the temperature during the measurement must be given, as well as the
data on the reference standard (model, class).
6. Faults