66 
Multi application quick health check  
Using diagnostic Led, present on to the Multi main board, it is possible 
to perform a first quick check of the application without the use of SW 
tools. 
Check the chapter “MULTI DEVICE ANATOMY” on page 58 for LED 
and reset button positions. 
The below table shows the checks that is possible to perform, the Led 
to be checked and possible approaches to overcame the issues. 
Function  Led and 
status 
Possible 
failure(s) 
Approach 
Ethernet 
Communication  
RJ45.1 
OFF 
No Ethernet 
communication 
•  Check the Ethernet 
wiring. 
•  Check the status of the 
network. 
Application 
running 
CR78 
OFF 
Application not 
running 
•  Reset the device using 
reset button. 
EBI 
communication 
CR96 
ON 
No communication 
with EBI 
•  Check if the 
supervision centre is up 
and running 
•  Check if the Multi 
device is properly 
configured into EBI. 
•  Check the Ethernet 
communication. 
Data Base 
status 
CR25 
ON 
Database not 
present 
Without supervision centre 
communication there will 
not be any DB download, 
so: 
•  Check if the 
supervision centre is 
up and running. 
•  Check if the Multi 
device is properly 
configured into EBI. 
•  Check the Ethernet 
communication. 
Table 10 – Multi application quick health checks