Doremi IMS1000 - Manual (Page 297)

IMS.OM.002949.DRM
Page 297 of 320 Version 1.6
Doremi Labs
20 Appendix C: LED Behavior
Front Panel LED specification:
Figure 340: Front Panel LEDs
The behavior of the CPU LEDS is the following:
CPU1 CPU2 State of the IMS1000 CPU
Green Off Booting
Green Green CPU operational without warning/error
Orange Green Standby
Orange Off

Degraded RAID or Smart Issue Detected

Marriage Broken but Blackout DLM grants playback
Red Off 
CPU cannot play due to ERROR

Marriage is Broken or Disks/RAID not detected
The HDMI LED behavior is the following:
Off No HDMI signal detected
Green HDMI detected with supported format
Orange HDMI detected with un-supported format