更换MDA

 

1 概述

1.1 目的

根据文档和经验，为了规范和更好的完成“更换595 MDA故障判断及修复”的实施工作

 

 

 

1 现场情况查看

1.1 LED灯状态

1.1.1 整机控制面板attention灯

 

实际情况：恒亮，橙色

 

1.1.1 MDA LED状态灯情况

 

1.1.1.1 实际情况

唯一一个PWR不亮

1.1.1.2 结论

此MDA故障

 

1.1 系统内查看

Errpt有环境错BFE4C025、errpt –a有一些内容

时间：10月17日左右，系统报错，

错误信息如下：

Ref. Code：14000062

FRU：41U0314

SN: H10A8C83539

位置：U787C.918072K-A3

 

解析：(1400) Bulk power subsystem reference codes

Reference Code	Description/Action Perform all actions before exchanging Failing Items	Failing Item
0062	Air Moving Device number three is defective.	MDAA-3 MSAA-3

 

 

1.1.1 结论

MDA A-3故障失效

 

1.1 HMC中查看

 

 

To view serviceable events, follow these steps:

1. In the navigation area, open Service Applications.
2. Select Service Focal Point.
3. Select Manage Serviceable Events.
4. Select the criteria for the serviceable events that you want to view, and click OK. The Serviceable Event Overview window opens. The list shows all serviceable events that match your selection criteria. You can use the menu options to perform actions on the serviceable events.
5. Select a line in the Serviceable Event Overview window, and select Selected > View Details The Serviceable Event Details window opens, showing detailed information about the serviceable event. The upper table shows information, such as problem number and reference code. The lower table shows the field replaceable units (FRUs) associated with this event. 
6.  

7. 1.1 确定需携带备件及工具

    

   Index number	Part number	Units per assembly	Description
   5	12R6660	4	Motor drive assembly

    

   12R6660 IBM 12R6660 P590/P595 Motor Drive Assembly (MDA)

    

   实际更换上备件为pn：41U0341，此备件可以维修

   工具，需要准备长杆4mm 内六 ；因为有MDA位置处于里面；

8.  

9. 1.1 通过HMC更换

   o     Select the serviceable event you want to repair, and select Repair from the Selected menu. This launches a series of windows that guides you through the steps to repair the serviceable event. The system guides you through one of the two following methods of repair, depending on the type of FRU you need to exchange: §  An interactive step-by-step process that provides illustrations and video presentations to help you exchange the FRU. § A link to the appropriate information center topic that provides instructions to help you exchange the FRU.

10. 1.1 需要的话关闭系统attention灯

     

    实践中用了：server——operation——LED status——deactivate attention LED予以关闭

11.