H3C Technologies H3C S7500E Series Switches - Manual (Page 115)

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Table 40 Power module status LED description (2)
LEDs
Description
OK FAIL
On Off The corresponding power module is operating correctly.
Off On
The corresponding power module is not outputting power because one of
the following conditions exists:
• The power module is faulty or switched off.
• The power cord is disconnected.
• The external power supply is unavailable.
Off Off No power module is installed in the corresponding slot.
Table 41 Power module status LED description (3)
OK/FAIL LED status Description
Steady green All power modules are operating correctly.
Steady red
A power module is not outputting power because one of the following
conditions exists:
• The power module is faulty or switched off.
• The power cord is disconnected.
• The external power supply is unavailable.
Off
• No power module is installed.
• No power module is outputting power because one of the following
conditions exists:
{
The power modules are faulty or switched off.
{
The power cords are disconnected.
{
The external power supply is unavailable.
Fan tray status LEDs
Fan tray status LED varies by MPU model.
• If the MPU provides one set of LEDs (OK and FAIL) to indicate the status of the fan tray, see Table 42
for the LED description.
• If the MPU provides one OK/FAIL LED to indicate the status of the fan tray, see Table 43 for the LED
description.
Table 42 Fan tray status LED description (1)
OK LED status FAIL LED status Description
On Off The fan tray is operating correctly.
Off On A fan problem has occurred or the fan tray is not in position.
Off Off The switch is not powered on.