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Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 07/18
CERTUS Installation Manual
CMM
MEANING
LED
REMEDY
Run
Green
IN Fail
Red
EXT Fail
Red
COM
Orange
IN÷8
Yellow
ENA
Blue
OSSD1/2
Red/Green
Clear1/2
Yellow
Status1/2
Yellow
Internal fault
OFF
2 or 3
flashes
OFF
OFF
OFF
OFF
Red
OFF
OFF
Return the unit to
Carlo Gavazzi to be
repaired
Configuration
error
OFF
4 flashes
OFF
OFF
OFF
OFF
5 flashes
5
flashes
5 flashes
Upload the project to
the Certus again. If the
problem persists return
the CMM to Carlo
Gavazzi to be repaired
OSSD
output error
OFF
5 flashes
OFF
OFF
OFF
OFF
4 flashes
(only the LED
corresponding
to the output
in FAIL mode)
OFF
OFF
Check the OSSD1/2
connections If the
problem persists return
the CMM to Carlo
Gavazzi to be repaired
Error in
communication
with slave
OFF
5 flashes
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Restart the system.
If the problem persists
return the CMM to Carlo
Gavazzi to be repaired
Slave unit
error
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Restart the system
Check which unit is in
FAIL mode
CMC
error
OFF
6 flashes
OFF
6
flashes
6
flashes
OFF
OFF
OFF
OFF
Replace the CMC
