Diagnostics and Test Information

Diagnostics and Test Information

  The service procedures are designed to help you isolate problems. They are written with the assumption that you have mode-specific training on all computers, ar that you are familiar with the computers, functions, terminology, and service-related information provided in this manual and the appropriate IBM PC/Netfinity Server Hardware Maintenance Manual.

The following is a list of problems and references for diagnosing the IBM Netfinity EXP15 Storage Expansion Unit - Type 3520.

Problem	Reference
Drive Numbering	See Drive Numbering
Error Codes / Error Messages	Refer to the Symptom-to-FRU Index for the server that the Storage Expansion Unit you are servicing is connected to.
Expansion Unit Option Switches	See Expansion Unit Option Switches
Fan Control and Indications	See Fan Control and Indicators
Front Controls and Indications	See Front Controls and Indicators
Performing a Shutdown	See Performing a Shutdown
Power Supply Controls and Indicators	See Power Supply Controls and Indicators
Rear Controls and Indications	See ESM Board Controls and Indicators
Turning the Power On	See Turning the Power On