1.8.2 PSU LED
Figure 8: PSU LED
Table 8: PSU LED
ActionLEDNumber
• Off: PSU not powered on
• Green: Powered on, DC output OK
Fault1
• Amber: Fault, failure, or AC
disconnection on PSU
1.8.3 Drive LEDs
Figure 9: Drive LEDs (Top View)
Table 9: Drive LEDs
ActionLEDNumber
• Off: No drive present
• Green: Drive present
• Green (Blinking): Drive active
Drive Link/Active1
• Amber: Drive fault reported
• Amber (Blinking): Drive OK
Drive Fault LED2
19
1 Ultrastar Serv24-HA Overview
User Guide 1.8 LEDs