https://community.netapp.com/t5/ONTAP-Hardware/MDIO-read-failed-in-t3-link-fault/m-p/106663#M6622 <P>Hi,</P><P>&nbsp;</P><P>The t3_link_fault is the onboard adapter bound to a faulty chip. This means the MotherBoard is likely just faulty and needs replacing.</P><P>&nbsp;</P><P>Thanks</P> Thu, 25 Jun 2015 08:53:12 GMT hariprak 2015-06-25T08:53:12Z https://community.netapp.com/t5/ONTAP-Hardware/MDIO-read-failed-in-t3-link-fault/m-p/106650#M6621 <P>Hi,<BR /><BR /></P><P>&nbsp;</P><P>My FAS8040 running 8.1.4P7 outputs the following error non-stop after logging in to the console.</P><P>&nbsp;</P><P>MDIO read failed in t3_link_fault</P><P>&nbsp;</P><P>I have not found much information about exactly what is wrong.</P><P>&nbsp;</P><P>Does anyone know what exactly is the problem? Is it parts on the motherboard failing? Basically I am trying to find out whether the fault is on the motherboard itself or something external.</P><P>&nbsp;</P><P>thanks,</P><P>&nbsp;</P> Thu, 05 Jun 2025 04:08:25 GMT https://community.netapp.com/t5/ONTAP-Hardware/MDIO-read-failed-in-t3-link-fault/m-p/106650#M6621 ACHOU_SIMG 2025-06-05T04:08:25Z https://community.netapp.com/t5/ONTAP-Hardware/MDIO-read-failed-in-t3-link-fault/m-p/106663#M6622 <P>Hi,</P><P>&nbsp;</P><P>The t3_link_fault is the onboard adapter bound to a faulty chip. This means the MotherBoard is likely just faulty and needs replacing.</P><P>&nbsp;</P><P>Thanks</P> Thu, 25 Jun 2015 08:53:12 GMT https://community.netapp.com/t5/ONTAP-Hardware/MDIO-read-failed-in-t3-link-fault/m-p/106663#M6622 hariprak 2015-06-25T08:53:12Z