H3C S7500E Series Installation Manual page 154

LED
FAN
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 74 PSR1400-D power module status LED description
LED
INPUT
OUTPUT
Status Meaning
The fans are working
Green
properly.
The fans are working
Red
abnormally.
Off The fans do not work.
Status Meaning
The power is input
properly, and the system
Green
power output switch is
turned on.
A power input problem
Red
occurs.
Off No power is input.
The power is output
Green
properly.
A power output problem
Red
occurs.
Off No power is output.
Analysis
—
This status occurs in the following cases:
•
A fan failure occurs.
•
The power module is not switched on.
This status occurs in the following cases:
•
The power module is faulty.
•
A power cable connection problem occurs.
•
The external power supply is unavailable.
Analysis
—
The input voltage is not in the rated voltage range.
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.
—
The power module generates an alarm due to
output short-circuit, output over-current, output
over-voltage, or over temperature, and enters the
protection state.
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.
143