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Power supply system failure
Power monitor module
Table 27 Power monitor module LED description
LED Status Description
RUN
Steady on
The power monitor module is operating properly.
Off
The power monitor module is faulty.
MAJOR
Steady on
• At least one power supply is faulty.
• The switch of the power frame is off.
• A power supply is present, but no AC power supply is provided.
Turns on and
then goes off
A power supply is being inserted or removed.
Off
The power supplies are operating properly.
MINOR Off Reserved
To troubleshoot the failures when the RUN LED of the power monitor module is off:
1. Unplug and then plug the power monitor module.
2. If the RUN LED is still off, replace the power monitor module.
3. If the RUN LED is still off, contact HP Technical Support for help.
Power supplies
Figure 58 LEDs on an AC power supply
(1) Input status LED (2) Output status LED (3) Over-temperature alarm LED (4) Fault LED
1
2
3
4
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