P52A宕机报错，不能启动，如何解决？

一台P52A小机宕机，重启后控制台无信号，前面板停留在ca00e1a4，登录ASMI，报错信息如下：

1. 50394805 2016-01-08 09:12:26 'Power Supply' 'Unrecoverable E' '11001510'

2. 50394804 2016-01-08 09:12:14 'Power/Cooling S' 'Unrecoverable E' '110000AC'

3. 50394712 2016-01-08 09:04:20 'I/O Bridge' 'Unrecoverable E' 'B7006970'

4. 50394711 2016-01-08 09:04:20 'I/O Bridge' 'Unrecoverable E' 'B7006970'

5. 50394557 2016-01-08 08:37:01 'I/O Bridge' 'Unrecoverable E' 'B7006970'

6. 50394556 2016-01-08 08:37:01 'I/O Bridge' 'Unrecoverable E' 'B7006970'

7. 503943CF 2016-01-08 08:32:06 'Power/Cooling S' 'Unrecoverable E' '110000AC'

8. 503942C1 2016-01-08 08:15:43 'I/O Bridge' 'Unrecoverable E' 'B7006970'

9. 503942C0 2016-01-08 08:15:43 'I/O Bridge' 'Unrecoverable E' 'B7006970'

10. 50390284 2015-12-28 06:41:45 'I/O Bridge' 'Unrecoverable E' 'B7006970'

11. 50390283 2015-12-28 06:41:45 'I/O Bridge' 'Unrecoverable E' 'B7006970'

12. 50388EF4 2015-12-09 00:47:41 'Partition Firmw' 'Predictive Erro' 'BA188002'

13. 50337B5D 2015-04-23 08:26:06 'Partition Firmw' 'Predictive Erro' 'BA188002'

连接串口，启动时代码停在ca00e1dc，再无任何提示，按什么键都没有反应，哪位大神帮忙给看一下，哪里出了问题，需要怎么解决。

拆掉所有板卡也试过，还是同样的故障。