急急急，跪求3510 centerplane问题

各位大侠：
   现场有一台3510的机器，经常宕机，从explorer的信息来看，只能看出PS0电源坏，还有就是控制器异常：
Name: AC_POWER_SUPPLY
Description: SE3XXX AC PWR SUPPLY/FAN, 2U
Part Number: 371-0108
Serial Number: GK31A4
Revision: 01
Initial Hardware Dash Level: 01
FRU Shortname:
Manufacturing Date: Fri Jun 20 06:18:46 2008
Manufacturing Location: Irvine California, USA
Manufacturer JEDEC ID: 0x048F
FRU Location: AC PSU SLOT #0 (LEFT)
Chassis Serial Number: 0BD3F6
FRU Status: Fault
Name: FC_JBOD_IOM
Description: SE3510 I/O w/SES JBOD FC 2U
Part Number: 371-0533
Serial Number: HKB5SK
Revision: 01
Initial Hardware Dash Level: 01
FRU Shortname:
Manufacturing Date: Wed Feb 25 02:38:24 2009
Manufacturing Location: Suzhou,China
Manufacturer JEDEC ID: 0x0301
FRU Location: LOWER FC JBOD IOM SLOT
Chassis Serial Number: 0BD3F6
FRU Status: N/A

，但是今天的到现场后，PS0好了，PS1又出现故障了，可能就不是电源的问题，我带了电源和控制器到现场，大家觉得还电源和控制器有用吗？会是电源背板的为题吗?附件是宕机之前收到的信息！

考虑刷新PLD