MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
8540780 • 10/07/2020 • Rev.38 75
MI8O4 (Figure 37)
Shows the
physical
address of the
unit
• Return the unit to ReeR
to be repaired
• Firmware version not
compatible with M1,
return to ReeR for FW
upgrade.
4 flashes
(only the LED corresponding
to the output in FAIL mode)
• Check OSSD1/2
connections
• If the problem persists,
return the unit to ReeR
to be repaired
Error in
communication with
master
• Restart the system
• If the problem persists,
return the MI8O4 to
ReeR to be repaired
Error on other
slave or M1
• Restart the system
• Check which unit is in
FAIL mode
Same type of slave
with same address
detected
• Change the unit's
address (see NODE
SEL)
Overload on OSSD /
OSSD load connected
to 24V
Shows the
physical
address of the
unit
Red blinking (only LED
corresponding to the
relative output)
• Verify OSSD connections
Short circuit or
overload detected on
status output
Shows the
physical
address of the
unit
• Verify output status
connections
Table 67 - Troubleshooting MI8O4