Installation guide

5 – Diagnostics/Troubleshooting
Chassis Diagnostics
5-10 59055-00 B
D
5.2
Chassis Diagnostics
Chassis diagnostics are indicated by the chassis LEDs as shown in Figure 5-3.
Figure 5-3. Chassis LEDs
The following conditions are described:
 Input Power LED is extinguished
 System Fault LED is illuminated
5.2.1
Input Power LED Is Extinguished
The Input Power LED illuminates to indicate that the switch logic circuitry is
receiving proper voltages. If the Input Power LED is extinguished, do the
following:
1. Inspect the power cords and connectors. Is the cord unplugged? Is the cord
or connector damaged?
 Yes - Make necessary corrections or repairs. If the condition remains,
continue.
 No - Continue.
L
AL A L AL
A
0
1
2
3
System Fault LED
(Amber)
Heartbeat LED
(Green)
Input Power LED
(Green)