11
Troubleshooting
11.1
Safety
Requirements for the maintenance personnel
•
Only allow an authorized electrician to work on the electrical system or electrical
subassemblies.
•
The technician must be familiar with the exhaust gas technology of the operator's
plant (hazard by overpressure and toxic and hot flue gases) and be able to avoid
hazards when working on gas ducts.
•
The technician must be familiar with handling compressed gas cylinders (test
gases).
•
The technician must be able to avoid hazards caused by noxious test gases.
•
The technician must be familiar with gas lines and their screw fittings (be able to
ensure gas-tight connections).
11.2
Maritime Hotline
If you have questions about malfunctions or maintenance work, you can contact the
Maritime Hotline (24/7).
Phone: +49 7681 2024194
E-mail: [email protected]
11.3
Malfunctions
11.3.1
Logbook description
Table 7: Logbook description
Logbook
text (Dis‐
play)
Logbook
text (SOPAS
ET)
Description
Interpretation and possibly
correction
Gas module
DEFOR
FINOR
X X X F MV calcu‐
lation
F MV calcu‐
lation
Error in measured value
calculation; measured
value > +50% of measure‐
ment span
Gas concentration too
high. Component settings
changed. Check sensor sys‐
tem adjustment.
X
*
X X F Zero drift
F Zero drift
Zero point drift limit value
exceeded by more than
20%
Check test gas, check set‐
point value; check measur‐
ing system
X
*
X X F Span drift
F Span drift
Span drift limit value
exceeded by more than
20%
Check test gas, check set‐
point value; check measur‐
ing system
X X X U MV over‐
flow
U MV over‐
flow
Measuring range exceeded
by more than 20% of meas‐
urement span
Gas concentration too
high, component settings
changed, check sensor sys‐
tem adjustment
X X X U ADC value U ADC value Overmodulation of measur‐
ing signal, no resolution
possible
Gas concentration too high,
detector damaged, optical
active measuring path con‐
taminated or mechanically
misadjusted
11
TROUBLESHOOTING
98
O P E R A T I N G I N S T R U C T I O N S | MARSIC280
8021339/1CHC/V1-1/2021-07 | SICK
Subject to change without notice