American Dynamics Excalibur 168, Installation And Service Manual

Page: 73 / 90

APPENDIX B
MP168 Matrix Switcher/Controller System
Section 2- Switcher System Troubleshooting
The Switcher System Troubleshooting section focuses on problems with routing video signals from their source to their
destination.
Problem Possible Cause Suggested Action
Individual Front Panel LED(s) not
flashing at all Individual module(s) not properly
installed in bay Verify proper installation of all
modules
All Front Panel LEDs not flashing No power to MP168 Switcher Verify proper installation of AC
Line Cord
Verify proper circuit breaker
operation
Note: If the circuit breaker was
tripped and trips again after being
reset, consult with an electrician
before proceeding with any other
diagnosis
Verify proper installation of
(optional) redundant power supply
B-3