Appendix B Reading The Diagnostic Led Codes; Overview - Digital Equipment VAXstation 4000 90 Service Information

Reading the Diagnostic LED Codes

Overview

In this
Appendix
Appendix B
This appendix describes how to interpret the diagnostic LEDs on
the console control panel. The LED codes covered in this module
are:

Diagnostic LED Codes

LED Error Codes

Power-Up/Initialization LED Codes

TOY/NVR LED Codes

LCSPX LED Codes

SPXg/gt LED Codes

DZ LED Codes

CACHE LED Codes

Memory LED Codes

System Device LED Codes

NI Device LED Codes

SCSI Device FRU LED Codes

Audio Device LED Codes

DSW21 Communications Device LED Codes

TURBOchannel Adapter LED Codes
B–1