Operating Instructions
Modular Safety Control System MSC
60
(Translation of the original operating instructions) 2121331-04-04/19
8.4.8. Module AZ-FO4O8 (Figure 34)
MEANING
LED
RECTIFICATION MEASURE
RUN
GREEN
IN FAIL
RED
EXT FAIL
RED
SEL0/1
ORANGE
RELAY1/4
RED/GREEN
CLEAR1/4
YELLOW
STATUS1/8
YELLOW
Internal error OFF
Flashes 2 or
3 times
OFF
Indicates
the physical
address of the
module
RED OFF OFF Ì Send module to EUCHNER for repair
Compatibility error OFF
Flashes 5
times
OFF Flashes 5 times Flashes 5 times
Flashes 5
times
Ì Firmware version not compatible with
MSC-CB. Send to EUCHNER for firm-
ware upgrade.
Relay output error OFF
Flashes 4
times
OFF
Flashes 4 times
(only the LED cor-
responding to the
output in the ERROR
mode)
OFF OFF
Ì If the problem persists, send module to
EUCHNER for repair.
Error during commu-
nication with base
unit
OFF
Flashes 5
times
OFF OFF OFF OFF
Ì Restart system.
Ì If the problem persists, send module to
EUCHNER for repair.
Error in another
extension module or
MSC-CB
OFF ON OFF OFF OFF OFF
Ì Restart system.
Ì Check which module is in the ERROR
mode.
Extension module of
the same type with
the same address
detected
OFF
Flashes 5
times
Flashes 5
times
OFF OFF OFF
Ì Change address of the module (see
section NODE_SEL)
External feedback
loop error relay
category 4
ON OFF
Flashes 4
times
Flashes 4 times
(only the LED corresponding to the
output in the ERROR mode)
OFF Ì Check terminal 5, 6, 7, 8
Internal node detec-
tion error
OFF
Flashes 3
times
OFF
Flashes 3
times
OFF OFF OFF Ì Send module to EUCHNER for repair
Short circuit or
overload detected
OFF OFF ON OFF OSSD state CLEAR state Flashing Ì Check output connections
Table 53: Troubleshooting AZ-FO4O8
Figure 34:
AZ-FO4O8