P720小机单CPU添加内存背板后报警，去掉添加的背板后小机仍报警，如何排障？

报警如下：

errpt :
@ts01:/home/db2inst# errpt
IDENTIFIER TIMESTAMP  T C RESOURCE_NAME  DESCRIPTION
A6D1BD62   1009122819 I H unspecified    Firmware Event
BFE4C025   1009122819 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122819 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122819 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122719 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122719 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122719 P H sysplanar0     UNDETERMINED ERROR
A6DF45AA   1009122719 I O RMCdaemon      The daemon is started.
BFE4C025   1009122719 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122619 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122619 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122619 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122619 P H sysplanar0     UNDETERMINED ERROR
BFE4C025   1009122519 P H sysplanar0     UNDETERMINED ERROR
我只是添加了一个内存背板，开机报警。我把新添加的内存背板拔下后恢复原状 开机还是报警。很尴尬。请问如何更好地确定故障原因。既然都是报警我就又把新添加的内存背板插上了