EUCHNER MSC - 8.4. Fault diagnostics; 8.4.1. Base unit MSC-CB (Figure 27)

53
2121331-04-04/19 (Translation of the original operating instructions)
Operating Instructions
Modular Safety Control System MSC
EN
8.4. Fault diagnostics
8.4.1. Base unit MSC-CB (Figure 27)
MEANING
LED
RECTIFICATION MEASURE
RUN
GREEN
IN FAIL
RED
EXT FAIL
RED
COM
ORANGE
ENA
BLUE
IN1–8
YELLOW
OSSD1/2
RED/GREEN
CLEAR1/2
YELLOW
STATUS1/2
YELLOW
Internal error OFF
Flashes 2 or
3 times
OFF OFF OFF OFF Red OFF OFF
Ì Send module to EUCHNER
for repair
OSSD output error OFF
Flashes 4
times
OFF OFF OFF OFF
Flashes 4 times
(only the LED
corresponding to
the output in the
error mode)
OFF OFF
Ì Check OSSD1/2 connections Ì If the problem persists, send
MSC-CB to EUCHNER for repair.
Error during communication with extension module
OFF
Flashes 5
times
OFF OFF OFF OFF OFF OFF OFF
Ì Restart system. Ì If the problem persists, send
MSC-CB to EUCHNER for repair.
Error in extension module
OFF ON OFF OFF OFF OFF OFF OFF OFF
Ì Restart system. Ì Check which module is in the
ERROR mode.
Error M-A1 OFF
Flashes 6
times
OFF
Flashes 6
times
OFF OFF OFF OFF OFF Ì Replace M-A1
Table 46: Troubleshooting MSC-CB
Figure 27: MSC-CB