JMR electronic PUB-00281 - page 11

SYS-FLT
The SYS-FLT LED on the back of the unit indicates an error on the SES bus. It
also indicates whether an active loop connection is established. If no loop
connections are established, the LED will light 'Red'.
FORTRAFORCE4G15 & G15+ RAID System InstallationGuide Rev A 2-3