User Manual

Chapter
11
11-1
Troubleshoot with LEDs
This chapter gives you information on how to:
troubleshoot your QDC module using LED indicators
calibrate your QDC module
The front panel of the QDC module contains three Light Emitting Diodes
(LEDs). Use them to troubleshoot problems that may occur during
integration or operation of the QDC module. Each LED is a different
color for easy identification.
Color of LED: Identified as:
Green ACTIVE
Red FAULT
Yellow COMM
The LEDs are located on the front panel of the module (Figure 11.1).
Chapter Objectives
Use LEDs to Troubleshoot
Your QDC Module