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SYS (System Status) LED
UPS Status LED
The behavior of the UPS LED depends if external power is connected or not.
External Power Present
External Power Not Present
SSD (Solid State Drive) LED
LED Behavior System State
Solid Green • On
• On but Display Off
Green blinking very slowly
External power present
(1/2 sec. on, 4 1/2 sec. off)
• Standby
Off
External power present
• Hibernate
• Off
Off
External power not present
• Hibernate
• Standby
• Off
Green blinking slowly
External power present
(1/2 sec. on, 1 1/2 sec. off)
CPU temperature less than -20ºC, Heater warming CPU for 30 sec.
Green blinking slowly
External power not present
(1/2 sec. on, 1 1/2 sec. off)
CPU temperature less than -20ºC, Need to move unit to warmer environment
LED Behavior Status
Off • No UPS charging
• UPS charged
Solid Green UPS charging
Solid Amber • Any charging fault
•Out of Safe Charging Temperature Range (page 3-3) Charging only occurs between
approximately -10°C and 35°C ambient temperature.
• No UPS present
• Charging Timeout (page 3-3) Not fully charged after 4 or 8 hours depending on
software revision.
LED Behavior Status
Off • Unit off
• UPS not present
Solid Amber UPS supplying power and discharging
Solid Red Approximately 2 minutes runtime until shutdown
LED Behavior Status
Flashing Green SSD read or write activity
Off No SSD read or write activity