MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
80 8540780 • 10/07/2020 • Rev.38
MO4L (Figure 42)
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 MO4L 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 72 - Troubleshooting MO4L