ITEM NAME:1Pc 0.15A Switchboard H3C For 4020 5600 S5500 Fan Efb0412Hhd 3600 12V 3Pi OZ @media screen and (max-width: 600px) .mobiledesfromibay { display:block; width: 350px;.Scope of use: 1. H3C 3600 5600 S3100-52P switch firewall and other machine fan failure use, after replacing the status indicator from "F" to normal "1", there is no longer "Fan 1 Failed" entry in the log.