Technical data

LED Indicators
14-Slot Shelf
Chapter 2
85
2 All LEDs are off 1. Check the Power Entry Module for proper operation.
2. Check the Shelf Alarm Display for proper seating.
3. Cycle both primary power busses to the system at the
same time. During the initial boot cycle all 12 LEDs
should turn on during the LED check cycle. If all LEDs
turn on the Shelf Alarm Display is good. Look for other
error conditions and LEDs
4. Remove the Shelf Alarm Display and examine the Shelf
Alarm Panel's Horizontal Board connector for bent or
broken pins. If any pin is bent or damaged, replace the
Shelf Alarm Display Assembly.
5. Examine the Shelf Alarm Panel mating connector on
the Horizontal Board for bent or broken pins. If any pin
is bent or damaged, replace the Chassis.
6. Examine the Riser Board to determine if a payload
module in slot 14 has scraped against it. If the Riser
Board is damaged replace the chassis.
7. Replace the Shelf Alarm Display.
3 Critical Event has
occurred
The Shelf Alarm Display is indicating that a Critical event
has occurred. See the System Event Log, 0, for Critical
Events to determine which parameter caused the alarm.
4 Major Event has occurred The Shelf Alarm Display is indicating that a Major event
has occurred. See the System Event Log, 0, for Major
Events to determine which parameter caused the alarm.
5 Minor Event has occurred The Shelf Alarm Display is indicating that a Minor event
has occurred. See the System Event Log, 0, for Minor
Events to determine which parameter caused the alarm.
6 Fan Tray Failure The Shelf Alarm Display is indicating that there is a failure
in one of the Fan Trays. Check the fan trays.
7 User LED 1 Indication The user LEDs are delivered unprogrammed. They may be
programmed to indicate events that are important to the
customer. If a user defined LED is lit, report it to the
customer to determine the cause.
8 User LED 2 Indication The user LEDs are delivered unprogrammed. They may be
programmed to indicate events that are important to the
customer. If a user defined LED is lit, report it to the
customer to determine the cause.
9 User LED 3 Indication The user LEDs are delivered unprogrammed. They may be
programmed to indicate events that are important to the
customer. If a user defined LED is lit, report it to the
customer to determine the cause.
Table 2-4 Shelf Alarm Display Panel LED Tips (Continued)
Tip Symptom Action