DEC 7000 AXP, VAX 7000 Basic Troubleshooting

This manual, "DEC 7000 AXP System VAX 7000 Basic Troubleshooting," is designed for system operators and managers to diagnose and resolve fundamental issues with DEC 7000 AXP and VAX 7000 systems.

It covers:

• Troubleshooting Procedures: Steps to diagnose problems during system power-up and booting, and issues related to specific hardware components like DSSI, SCSI, and XMI plug-in units, TF85 tape drives, RRD42 CD drives, and environmental sensors (air pressure and temperature).
• Self-Test Interpretation: How to understand the system's self-test display on the console and the indicator LEDs on modules to identify passing or failing components.
• System Information and Diagnostics: Instructions on using console commands (show and test) to display hardware configurations, network information, and device details, as well as how to run various diagnostic tests on the entire system, subsystems, modules, or individual devices. It also explains how to interpret summary and full error reports.
• Power System Indicators: A guide to the meaning of lights and indicators on various power modules, including the AC input box, control panel, system power regulators, XMI PIU power regulators, and the cabinet control logic module.