Cluster gets broken

[baldy]

Hi there,
after a Power Suppley replacement one Node is not able to access the Cluster again:

Feb 9 18:25:27 host04 pmxcfs[2026]: [quorum] crit: quorum_initialize failed: 2
Feb 9 18:25:27 host04 pmxcfs[2026]: [confdb] crit: cmap_initialize failed: 2
Feb 9 18:25:27 host04 pmxcfs[2026]: [dcdb] crit: cpg_initialize failed: 2
Feb 9 18:25:27 host04 pmxcfs[2026]: [status] crit: cpg_initialize failed: 2
Feb 9 18:25:33 host04 pmxcfs[2026]: [quorum] crit: quorum_initialize failed: 2
Feb 9 18:25:33 host04 pmxcfs[2026]: [confdb] crit: cmap_initialize failed: 2
Feb 9 18:25:33 host04 pmxcfs[2026]: [dcdb] crit: cpg_initialize failed: 2
Feb 9 18:25:33 host04 pmxcfs[2026]: [status] crit: cpg_initialize failed: 2

Is there any way to add or readd the Server or to fix this?

Cheers
Daniel