Matrix Audio Designs
29
Troubleshooting
OK something has gone wrong.You have installed,and tried to
program but something just doesn’t seem to be working right,or at
all.Try working your way through this troubleshooting section to
help isolate the problem.Before units leave the factory they are
‘burned in’to ensure proper operation,so they should be in working
condition when they arrive on site.
Test all zones to collect enough information to localize your
problem.Make note of similarities in issues across multiple zones.
For instance,if you can power on each zone except #1, then you
have a localized problem.However, if the CD player doesn’t work
in any zone,then the issue is likely at the source connections or
with programming.
Symptom
Everything is dead
All keypads are dead
(No lights)
Some keypads OK,
Some dead
Sources don’t work
manually or automatically
Sources and Keypads
work but no sound in
zone
Sources work
manually,but keypads
don’t control device
Sources power off
when selected
Sources don’t start
playing when selected
Possible Causes
Power
Power-Cabling between MRC- 8e/
8.4e and Keypad incorrect
Keypad connections reversed
Cabling between MRC- 8e/ 8.4e &
Keypad-Keypad Connections
Reversed Defective keypad
Defective cable run (possible short)
Power or power bar connected to
switched outlet
Speakers not connected-Problem
between keypad and speakers
Problem with speakers.Volume too
low RCA cables from source at
wrong connection points
Device Programming Incomplete
Infrared emitter lead missing
Infrared emitter lead connected
to wrong device
Program error in ON/ OFF
function
Program error in device select
function
Section
Power
Power
Keypad Cabling
Keypad Cabling
Power
Keypad Cabling
Source Cabling
Programming
Source Cabling
Programming
Programming
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