H3C Technologies H3C S7500E Series Switches - Manual (Page 124)

114
LED Status Description
FAN
Green The fans are operating correctly.
Red
The fans are operating incorrectly because one of the following conditions
exists:
• A fan failure has occurred.
• The power module is switched off.
Off
The fans stop operating because one of the following conditions exists:
• The power module is faulty.
• The power cord is disconnected.
• The external power supply is unavailable.
PSR1400-D
The PSR1400-D power module provides four red-green status LEDs.
Table 68 PSR1400-D power module LED description
LED Status Description
INPUT
Green
The power is input correctly, and the system power output switch is turned
on.
Red
A power input problem has occurred because the input voltage is out of the
rated voltage range.
Off
No power is input because one of the following conditions exists:
• The power module is faulty.
• The power cord is disconnected.
• The external power supply is unavailable.
• The system power output switch is turned off.
OUTPUT
Green The power is output correctly.
Red
A power output problem has occurred because the power module generates
an alarm and enters the protection state due to output short-circuit, output
over-current, output over-voltage, or over temperature.
Off
No power is output because one of the following conditions exists:
• The power module is faulty.
• The power cord is disconnected.
• The external power supply is unavailable.
• The system power output switch is turned off.
FAN
Green The fans are operating correctly.
Red The fans are operating incorrectly because a fan failure has occurred.
Off
The fans stop operating because one of the following conditions exists:
• The power module is faulty.
• The power cord is disconnected.
• The external power supply is unavailable.
• The system power output switch is turned off.