EX47x Error Codes
Originally posted on the HP EX47x Support Pages 
This document applies to HP MediaSmart Server EX470 and EX475.
Health Indicator Codes
The Tables below are a breakdown of the Health indicator displays.
To see this code, using a paper clip, press and release the recessed Status/Recovery button on the front of the server.
Figure 1: Status/Recovery button
|Solid red—no code||Operating system or application error.||See Windows Home Server Console for error condition.|
|1 blue, 2 red||System drive failed to boot.||If the light-bar for the system drive (the lowest light-bar) is also red, you need to replace the system hard drive. See Replacing the system drive on page 6-16.|
|1 blue, 3 red||Operating system USB boot failed.||Check that lowest USB port on back of server has boot source.|
|1 blue, 4 red||Recovery mode failed.||Contact HP Support at http://www.hp.com/support|
|1 blue, 5 red||Multiple boot failure.||Contact HP Support at http://www.hp.com/support|
|1 blue, 6 red||Service code.||Do not hold state button longer that 3 seconds. Shut down and repeat|
|2 blue, 1 red||BIOS corrupted.||Repeat power-on to validate. If repeats contact HP Support at http://www.hp.com/support|
|2 blue, 2 red||Memory failure.||Contact HP Support at http://www.hp.com/support|
|1 blue, 3 red||BIOS recovery source not present.||Contact HP Support at http://www.hp.com/support|