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Single-digit display
The single-digit display (shown in Figure 3 on page 10) displays characters while
diagnostics are running after power is applied to the switch. At the successful
completion of diagnostics, the unit number appears in the display (for example, "1"
indicates Unit Number 1). Table 3 gives the meaning of other digits that can be
displayed and the corrective actions required.
Table 3. Problem indications on the single-digit display when the Fault LED is ON.
Character
d
3
4
5 or 6
7
8
9 or a
Problem
Board RAM problem
Detected an unsupported feature
module.
PIF fault on the feature module or
base board.
Non-volatile memory problem.
Switch memory problem.
Base board loopback problem.
Feature module loopback
problem.
Corrective Action
Replace the switch.
Remove the feature module and update
the operational code, or the feature
module is not fully seated in its
connector.
If feature module Fault LED is On,
remove the feature module. If no feature
module Fault LED is On, replace the
switch.
Replace the switch.
Replace the switch.
Replace the switch.
v 9 = Feature module in Slot 1 has the
fault; remove this feature module.
v a = Feature module in Slot 2 has the
fault; remove this feature module.
Chapter 1. Introduction
11
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Table of Contents
Troubleshooting
