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Table 12. Power supply and fan unit LEDs
LED Normal Status Problem Status
Power supply and fan unit
power
On Off
Service Action Allowed (OK to
Remove)
Off On
Service Action Required
(Fault)
Off On
Direct Current Enabled
On Off
Front LEDs
This section describes the primary LEDs and controls on the front of the DS5020
storage subsystem.
Power supply and
fan unit power LED
Service action allowed
(ok to remove) LED
Service action required
(fault) LED
Direct current
enabled LED
Power supply and
fan unit power LED
Service action allowed
(ok to remove) LED
Service action required
(fault) LED
Direct current
enabled LED
Figure 66. Power supply and fan unit LEDs
102 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide