Intel R1000SPO series Service Manual page 87

Intel ® Server System R1000SPO Product Family System Integration and Service Guide
Code Associated Sensors Reason for Beep
1-5-1-2 VR Watchdog Timer sensor assertion VR controller DC power on sequence was not
completed in time.
1-5-1-4 Power Supply Status The system does not power on or unexpectedly
powers off and a Power Supply Unit (PSU) is
present that is an incompatible model with one or
more other PSUs in the system.
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