Problem Solving (continued)
DECserver 900TM
13
No power or display broken
Initial power on
Initialization
DECserver 900 internal test
SIM 1 test
SIM 2 test
DECserver 900 internal test
DECserver 900 internal test
DECserver 900 internal test
DECserver 900 internal test
Network interface external test
Software loading from Flash RAM
Requesting load
Load request backoff
Loading
Requesting dump
Dumping
Hardware revision # incompatible with firmware revision #
No SIMs, or wrong type SIMs installed
DECserver 900 is operating correctly. The rotating code is referred
to as the “race track” pattern.
This section shows the codes that are appear on the seven-segment display during the server internal
self-test when the module goes through a power up and initialization. The first column indicates a hori-
zontal view (standalone). The second column indicates a vertical view (hub) of the codes. The third
column describes the codes.
Off
Rotating
Off
Rotating
LKG-8099-93I
