Power Supply Status Leds; Figure 2-9. Power Supply Status Led - HP Integrity RX4640 Operation Manual

Power Supply Status LEDs

Each 200-240 VAC power supply unit has three status LEDs located on the power supply rear side.
Consolidated status of all power supplies is reported by the front control panel by the power status LED.
Figure 2-9 Power Supply Status LED
Table 2-7 Power Supply Status LED
Power Predict Fail
LED-Green LED-Amber
Off Off
Off Off
Blinking Off
On Off
Off Off
On Blinking
On Off
Chapter 2
Predict Fail
LED-Amber
Fail
LED-Amber
Off
On
Off
Off
On
Off
Blinking
Power LED-Green
Fail LED-Amber
No AC power applied to all PSUs.
No AC power applied to this PSU only.
AC present/standby outputs on.
PSU DC outputs on and OK.
Power supply failure.
Predictive failure—PSU about to fail because of poorly
performing fan.
Current limit on 48 VDC output.
Controls, Ports, and Indicators
Status
Rear Panel
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