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故障主机:ALPHA GS160
故障起因:机房空调坏,气温高到四十多度,主机宕机
故障现象:空调修好后重新开机,主机无法启动,LED状态灯症状:OCP主面板LED灯不亮,I/O BOARD状态灯:开机后VAUX\POWER灯亮,SWAP等不亮。整个QBB无LED灯亮起,48V power supply VAUX灯亮起,48V灯熄灭。
串口输入信息如下:
SCM_E0>
Master SCM
Testing SCM EEPROM - Passed
Initializing EVs
SCM Selftest Passed
Polling CSB............................SCM_E0> OCP will be inactive for first 20 seconds after micro reset
SCM_E0>
~I~ CSB Node 10 connection added
SCM_E0>
Querying the modem port...no device detected
SCM_E0> PS1 in PBP0 added
PS2 in PBP0 added
Remote IOR0 added to PBP0
Remote IOR1 added to PBP0
SCM_E0> OCP switch is now active and operational
SCM_E0>
~D~ 01powertrans_end: 0, 0, 0, 0, 00
~D~ 0, 00, 0, 0
~W~ Insufficient QBB nodes to control powering of main system
Powering on PCI Box 0
~E~ QBB 48V not applied for OCP or OCP not stable
Testing SIO Shared RAM(please wait)
Initializing shared ram
Shared RAM Initialized
SCM_E0> .
~D~ 01powertrans_end: 0, 0, 0, 0, 00
~D~ 0, 00, 1, 0
~I~ OCP initiated power off
Powering off PCI Box 0
已经尝试的操作如下:
1、AC BOX上下连接线对调,故障依旧。恢复原状。
2、测电压:
两AC BOX电压:218V
48V电源(Power Supply, 1600 Watt 48V ,H7506-AA)供电电压:218V
QBB输入电压:0V(vaux也是0v)
OCP输入电压:0V
3、更换三个48V主电源中的两个,开机,故障依旧。关机,拔掉OCP供电线路,开机,故障依旧。
4、拔掉电源,更换power subrack(Power Subrack, 1600 Watt, *H7505-BA 30-33328-01)。使用客户以前的电源,开机,故障依旧。
5、拔掉POWER SUBRACK到QBB的输入线缆(全部拔掉),开机。串口输出的启动信息和最初一样。关闭整个POWER SUBRACK的供电,开机,启动信息和最开始一摸一样。整台机器加上power subrack后和没加一模一样,所以故障部件肯定是power subrack相关。power subrack输出电压为0。
查找相关报错信息,只找到了下面这一个提问的,没看到解决方法。
http://archives.devshed.com/forums/bsd-93/gs160t-1068097.html
急需解决方法,求助!!!!
[ 本帖最后由 traveller2 于 2009-9-22 18:21 编辑 ] |
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