HP 12500 Series Installation Manual page 17

LED
MAJOR
MINOR
AC power supply
• The AC power supplies are hot-swappable.
The power supply fans draw in fresh air from the front and exhaust warm air out of the rear.
•
• Multiple AC power supplies work in N+1 or N+M redundancy and support load balancing.
Figure 11 AC power supply
(1) Power input LED
(4) Power supply fault LED
Table 4 AC power supply LED description
LED
Input
Output
Service
Status Description
Off The power monitor module is faulty.
•
At least one power supply is faulty.
•
All power supplies have been removed from the power frame.
Steady on
•
The switch of the power frame is off.
•
Power supplies are in position, but no AC power supply is provided.
Turns on and
A power supply is being inserted or removed.
then goes off
Off The power supplies are operating properly.
Off Reserved
(2) Power output LED
Status
Steady on
Off
Flashing
Steady on
Off
Flashing
Steady on
(3) Over-temperature alarm LED
Description
Power is being correctly input.
No power is being input.
Input power exceeds the threshold.
Power is being correctly output.
No power is being output.
The power output is overloaded.
The AC power supply is experiencing an over-temperature
condition.
11
1
2
3
4