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
Important information
Sample gases and exhaust gases
CAUTION
Risk of chemical burns by acid gas
Acid condensate could escape when working on the sample gas lines and the associ‐
ated assemblies.
b
Take appropriate protective measures for work (e.g., by wearing a safety mask,
protective gloves and acid resistant clothes)
b
In case of contact with the eyes, rinse immediately with clear water and consult a
doctor.
Electric voltage
NOTICE
Observe voltage variant
Some spare parts are available in different voltage variants, 115 V or 230 V.
The power voltage of your system is shown on the type plate.
b
Check spare parts for voltage dependency before fitting:
Please note:
•
After working on the gas path: Perform a leak tightness check.
•
Inlet "P" of valve KK10 in the sample conditioning unit must have a dummy plug.
(The dummy plug is fitted as standard.)
•
After exchanging assemblies: Put the system back into operation.
•
After exchanging a span gas cylinder: Parameterize new span gas concentration.
11.3
Error messages and possible causes
Overview
Current pending messages are shown on the device display.
Display of current device state data: Logbook.
The following Table only includes those messages with classification "X" that are impor‐
tant for information.
11
TROUBLESHOOTING
52
O P E R A T I N G I N S T R U C T I O N S | MCS200HW
8021889/1D1T/V3-1/2021-09 | SICK
Subject to change without notice
