Service manual

Contents
5-1
Troubleshooting
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
System Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Boot Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Power ON Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Extended Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Diagnostic Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Diagnostic LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Error Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Diagnostics Failure Messages and Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
System Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Overview
This troubleshooting guide is divided into the sections shown below. The first several sections
describe the available diagnostics features and how to use them. This is followed by a section
which lists diagnostics failure messages and the suggested corrective actions. The last section
gives specific troubleshooting steps which can be used to isolate system failures.
• System Startup
• Boot Menu
• Power ON Diagnostics
• Extended Diagnostics
• Diagnostic Menus
• Diagnostic LED
• Error Log
• Diagnostics Failure Messages & Error Codes
• System Troubleshooting
Caution:
Printed circuit boards in this equipment contain static-sensitive devices. Handle them
only at a static-safe workstation.
Note:
Do not touch the screen during power-ON or a touchscreen diagnostic error will occur.