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FStatus LEDs
Other circuit packs
S8100 Installation and Upgrades 327
November 2003
Power supply’s LEDs
Table 55, LED and alarm conditions, on page 327 shows the LED and alarm conditions for the 650A
power supply. Ring voltage and neon bus output do not activate alarm status.
Table 55: LED and alarm conditions
Condition
LED
status Alarm state
Normal Red off;
Yellow on
Open
No input power Red off;
Yellow off
Closed
DC output not present
(except Neon)
Red on;
Yellow off
Closed
Fan alarm Red on;
Yellow on
Closed