H3C Technologies H3C S7500E Series Switches - Manual (Page 146)

135
LED Status Meaning Analysis
Off No power is input.
This status occurs in the following cases:
• The power module is faulty.
• A power cable connection problem occurs.
• The external power supply is unavailable.
OUTPUT
Green
The power is output
correctly.
N/A
Red
A power output
problem occurs.
This status occurs in the following cases:
• The power module generates an alarm due to input
under-voltage, output short-circuit, output over-current,
output over-voltage, or over temperature, and enters
the protection state.
• The power module is not switched on.
Off No power is output.
This status occurs in the following cases:
• The power module is faulty.
• A power cable connection problem occurs.
• The external power supply is unavailable.
FAN
Green
The fans are
operating correctly.
N/A
Red
The fans are
operating
abnormally.
This status occurs in the following cases:
• A fan failure occurs.
• The power module is not switched on.
Off The fans do not work.
This status occurs in the following cases:
• The power module is faulty.
• A power cable connection problem occurs.
• The external power supply is unavailable.
PSR1400-D power module status LEDs
The PSR1400-D power module provides four red-green status LEDs: power input LED (INPUT), power
output LED (OUTPUT), fan LED (FAN), and PoE status LED (PoE).
Table 78 PSR1400-D power module status LED description
LED Status Meaning Analysis
INPUT
Green
The power is input
correctly, and the system
power output switch is
turned on.
N/A
Red
A power input problem
occurs.
The input voltage is not in the rated voltage range.
Off No power is input.
This status occurs in the following cases:
• The power module is faulty.
• A power cable connection problem occurs.
• The external power supply is unavailable.
• The system power output switch is not turned on.