H3C S7500E Series Installation Manual page 153

Table 72 PSR650-A/PSR650-D power module status LED description
LED
Power module
status LED
PSR1400-A power module status LEDs
The PSR1400-A power module provides three red-green status LEDs—power input LED (INPUT), power
output LED (OUTPUT), and fan LED (FAN).
Table 73 PSR1400-A power module status LED description
LED
INPUT
OUTPUT
Status Meaning
The power module is
Green
working properly.
The power module is
Red
working abnormally.
A power input
Off
problem occurs.
Status Meaning
The power is input
Green
properly.
A power input
Red
problem occurs.
Off No power is input.
The power is output
Green
properly.
A power output
Red
problem occurs.
Off No power is output.
Analysis
—
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.
•
A fan failure occurs.
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 power module is not switched on.
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.
—
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.
This status occurs in the following cases:
•
The power module is faulty.
•
A power cable connection problem occurs.
•
The external power supply is unavailable.
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