HP (Hewlett-Packard) A7540-96010 ユーザーズマニュアル
Troubleshooting
46
Chassis diagnostics
Chassis diagnostics are indicated by the chassis LEDs, as shown in
.
Figure 16: Chassis LEDs
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:
voltages. If the Input Power LED is extinguished:
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.
2. Inspect the AC power source. Is the power source delivering the proper voltage?
— Yes - Continue.
— No - Make necessary repairs. If the condition remains, contact your HP Authorized
Maintenance Provider.
System Fault LED is illuminated
The System Fault LED illuminates to indicate that the switch logic circuitry is overheating or
that a POST error has occurred. The System Fault LED is accompanied by a Heartbeat LED
error blink code. If the System Fault LED illuminates, Identify the Heartbeat LED error blink
pattern and take the necessary actions. See “
that a POST error has occurred. The System Fault LED is accompanied by a Heartbeat LED
error blink code. If the System Fault LED illuminates, Identify the Heartbeat LED error blink
pattern and take the necessary actions. See “
Item
Description
1
Input Power LED (green)
2
Heartbeat LED (green)
3
System Fault LED (amber)
1
2
3