59265-02 B 4-1
4 Diagnostics/Troubleshooting
Diagnostic information about the switch is available through the chassis LEDs and
the port LEDs. Diagnostic information is also available through the CLI,
QuickTools, and Enterprise Fabric Suite event logs and error displays. This
section describes the following types of diagnostics:
Chassis Diagnostics describe the Input Power LED and System Fault LED
indications.
Power-On Self Test Diagnostics describe the Heartbeat LED and the port
Logged-In LED indications.
Power Supply Diagnostics describe Power Supply Status LED and Power
Supply Fault LED indications for model 5802V switches.
This section also describes using maintenance mode to recover a disabled switch.
Chassis Diagnostics
Chassis diagnostics are indicated by the chassis LEDs as shown in Figure 4-1.
Figure 4-1. Chassis LEDs
The following conditions are described:
Input Power LED Is Not Lit
System Fault LED Is Lit
Input Power LED
(Green)
Heartbeat LED
(Green)
System Fault LED
(Amber)
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