MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
8540780 • 25/01/2023 • Rev.43 91
Shows the
physical
address of the
unit
• Return the unit to ReeR to
be repaired
• Firmware version not
compatible with
MOSAIC 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 MO4L to ReeR to
be repaired
Error on other
slave or Master
• 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 74 - Troubleshooting MO4L
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