在巡检过程中发现CPU故障，所有灯闪烁，请教这是什么原因造成的，应该怎么处理，谢谢，急求！！
下面的是诊断信息：
Diagnostic buffer of module CPU 414-4 H

Order No./ Des cription Component Version
6ES7 414-4HJ04-0AB0 Hardware 1
- - - Firmware V 4.0.8

Rack: 1
Slot: 3


Serial number: SVPV2380330


Event 1 of 3000: Event ID 16# 45E4
Standby CPU: Change from redundant mode to error-search mode
Error-search mode: trigger event: 4533: Checksum error
Event: ###820###ANZEIGETEXTECPU=
OB number: OB 196
Priority class: 9
Previous operating mode: RUN (redundant mode)
Requested operating mode: Error-search mode
Event occurred in the master CPU in rack 0
Internal error, Incoming event
03:24:13.629 AM 01/06/2015


Event 2 of 3000: Event ID 16# 43E3
Master CPU: Change from redundant mode to solo mode
Previous operating mode: RUN (redundant mode)
Requested operating mode: RUN
Event occurred in the master CPU in rack 1
Incoming event
03:24:13.628 AM 01/06/2015


Event 3 of 3000: Event ID 16# 7331
Switchover of standby CPU and master CPU due to failure of master CPU
CPU affected: Standby CPU in rack 0
Event: Standby CPU: Change from redundant mode to error-search mode
Requested OB: CPU redundancy error OB (OB72)
Priority class: 28
Incoming event
03:24:13.628 AM 01/06/2015


Event 4 of 3000: Event ID 16# 43F1
Switchover of master CPU and standby CPU
Previous operating mode: RUN (redundant mode)
Requested operating mode: RUN (redundant mode)
Event occurred in the standby CPU in rack 1
Incoming event
03:24:13.628 AM 01/06/2015