Owner`s manual

What to Do If You Have Problems
7-2
Diagnosing Problems
Compare the state of the Seven-Segment Display and the System OK LED with
those shown in Table 7-1 and go to the section indicated for information on
corrective action.
Table 7-1. Display/Indications
Device Definition State Indication
Corrective
Action
System OK
LED
Diagnostic On Self-test passed -
Off Fatal error
1
Page 7-3
Page 7-4
Flashing Nonfatal error
1
1. A fatal error means that the network access server cannot function. A
nonfatal error means that the network access server can function with
reduced capability (for example, one serial port not working).
Page 7-4
Seven-Segment
Display
Status/
Diagnostic
Off No power or
display broken
Page 7-3
“C”, “d”, “n” SIM failure Page 7-3
Flashing Fatal error Page 7-3
Page 7-4
“3” Load request
backoff
Page 7-6
Rotating
segment
pattern
Access Server
316 software
executing
-
On power up, the seven-segment display will show an “8”. Allow about 3
minutes to elapse before determining the state of the display.
NOTE