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According to the Technical Product Specification (TPS) The Beep code 1-5-4-4 indicates Power control fault (power good assertion timeout). It is associated to the Power unit – soft power control failure offset sensor.
Regarding the troubleshooting steps you followed, please try replacing the PDB and let us know if issue gets resolved.
Additionally, you could try to resolve this issue by:
- Removing and reinserting the power supply or power supplies.
- If your system supports dual or redundant power supplies, start up your computer using a single power supply.
- Update the motherboard system firmware to the latest version.
Please let me know if you have any questions.
The PDB was the solution for, now 2, servers. Unfortunately, 1 server passed without a hitch but the other did not in the end.
The second server started with a beep code of 1-5-4-2, which was normal, but by the third restart it was back to 1-5-4-4. I assume there is something that is drawing too much current from the power supplies (I swapped out the power supplies too) causing the PDB to fail. Any ideas?
Thanks for your help.
It would be hard to tell. I would probably test the system with minimum configuration to compare results. Please let us know if this helps.