EUCHNER MSC - 8.3.9. Module AZ-FO4 O8 (Figure 22)

English
TROUBLESHOOTING
Base unit MSC-CB (Figure 19)
SIGNIFICANCE
LED
RECTIFICATION
MEASURE
RUN
IN FAIL
EXT FAIL
COM
IN1–8
ENA
OSSD1/2
CLEAR1/2
STATUS1/2
GREEN
RED
RED
ORANGE
YELLOW
BLUE
RED/GREEN
YELLOW
YELLOW
Internal fault
OFF
Flashes
2 or 3 times
OFF
OFF
OFF
OFF
Red
OFF
OFF
Send module to
EUCHNER for repair
OSSD
output error
OFF
Flashes 4
times
OFF
OFF
OFF
OFF
Flashes 4 times
(only the LED corre-
sponding to the
output in the
ERROR mode)
OFF
OFF
• Check OSSD1/2 con-
nections
• If the problem per-
sists, send MSC-CB to
EUCHNER for repair.
Error during
communication
with expansion
module
OFF
Flashes 5
times
OFF
OFF
OFF
OFF
OFF
OFF
OFF
• Restart system.
• If the problem per-
sists, send MSC-CB to
EUCHNER for repair.
Error in
expansion
module
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
• Restart system.
• Check which module
is in the ERROR mode.
Error M-A1
OFF
Flashes 6
times
OFF
Flashes 6
times
OFF
OFF
OFF
OFF
OFF
Replace M-A1
Table 36 – Troubleshooting MSC-CB
Figure 19 –
MSC-CB