SICK GM32 Series

55
8012707/ZVF9/V2-1/2019-04 | SICK OPERATING INSTRUCTIONS | GM32
Subject to change without notice
CLEARING MALFUNCTIONS 7
7.2 Error diagnosis Tables
7.2.1 Device not functioning
7.2.2 Measured values clearly incorrect
7.2.3 Sample gas penetrating
Possible causes Information
Power supply not connected.
▸ Check power cable and connections.
Main power supply has failed.
▸ Check power supply (e.g. socket, external disconnecting device).
Internal operating temperatures
not correct.
▸ Check whether error messages exist.
Internal software not functioning.
Can only occur with complex internal malfunctions or after strong external
influences (e.g. strong electromagnetic interfering pulse).
▸ Swítch the GM32 off and back on again after a few seconds.
Table 14: Error diagnosis - device not functioning
Possible errors Possible causes Remedy
Leakages (on GPP probe). ---
▸ Have the GPP probe checked by
SICK Customer Service.
Sample gas penetrated the area
before the SR-unit.
● Gas pressure in gas duct too
high.
● Purge air unit has failed or is too
weak.
▸ see “Sample gas penetrating”,
page 55.
For GPP probe: Temperature dropped
below dewpoint.
---
▸ Check project planning.
Sample gas penetrates the purge air
compartment.
● Gas pressure in gas duct too
high.
● Purge air unit has failed or is too
weak.
▸ see “Sample gas penetrating”,
page 55.
● Probe gap alignment incorrect.
Sample gas flow must not
pressed into the purge air
openings.
▸ Check installation.
Sample gas conditions do not match,
or no longer match, project planning.
● Plant condition has changed ▸ Check sample gas conditions
(temperature, moisture,
concentration etc.).
GM32 not ready for operation. ---
▸ Check start-up
▸ Check status/error messages.
GM32 calibration is not correct. ---
Check:
Were correct test gases used?
Are setpoint values correct?
If this does not help: Carry out a
calibration (please contact SICK
Service).
Analyzer is contaminated. ---
Report to manufacturer's Technical
Service or trained skilled persons.
Table 15: Error diagnosis - incorrect measured values
NOTE: Sample gas in the analyzer can damage the analyzer.