SICK MCS300P, Руководство по эксплуатации

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65 8013741/16LH/V1-7/2020-04| SICK O P E R A T I N G I N S T R U C T I O N S | MCS300P Ex
Subject to change without notice
CLEARING MALFUNCTIONS
8
8 Clearing malfunctions
8.1 If the MCS300P Ex does not function at all …
8.2 When measured values are obviously incorrect …
8.3 Malfunction messages
A malfunction has occurred when:
●
The measured values blink.
●
The “ yellow ” LED lights.
●
The “ red ” LED lights.
▸
Press the < Diag > button for more information (list with error messages and possible
causes, see “Error messages and possible causes”, page 69 ).
Possible cause Notes
Main power supply has failed.
Check main power supply (e.g., external switch, external
fuses).
Defective internal fuse. Check fuses ( see “Fuses”, page 67 ).
Software not working correctly.
Switch the MCS300P Ex off with the external main power
switch and switch it on again after a few seconds.
Ex control unit does not switch on.
Protective gas feed interrupted or too low.
Ex control unit indicates an error (see Pressurized enclosure
system Manual).
Enclosure parts are not closed properly (
→ check screw
fittings).
Possible cause Notes
The MCS300P Ex is not measuring
the measured medium. Check measured medium path and all valves (e.g., switching
from the test medium to measured medium).
Measured medium path leaks. Check installations.
The MCS300P Ex is not correctly
adjusted.
Perform an adjustment ( see “Adjustment”, page 44 ); check
the test media first (nominal value, service life, throughflow
and the concentrations in Menu 2.3.1).
For more information concerning operating and display elements, see “Operating and
display elements”, page 34