Troubleshooting – Directed Electronics MA4100 User Manual
Page 13
Do you have 12V at the amplifier’s
connections?
11
N o S o u n d
Is the WARM UP LED illuminated?
YES
NO
YES
The warm up cycle can take up to
40 sec., Is there sound after that?
NO
You’re done
Is there
signal on the
RCA’s?
YES
NO
Does the amp
remote (REM)
have 12V?
Check all
connections.
Repair as
needed
YES
NO
Check main
system fuse.
Did that work?
Trace back the amp
remote to your source
unit. Repair as needed
YES
NO
Contact your
dealer
You’re done
A m p l i f i e r Tu r n i n g D o w n a t N o r m a l Vo l u m e
Turn the system off, wait approx. 5 min., then turn
the system back on. Listen for awhile. Did it work?
YES
NO
If sound is heard, the Amp may have
thermally turned down. Check for proper
air flow and correct as needed. You’re
done.
Check speaker wires for shorts or other
damage and correct as needed.
Did that fix the problem?
YES
NO
Check voltage supply to
ensure sufficient voltage.
Did that work?
YES
NO
You’re done
Contact your
dealer
Contact your
dealer
YES
You’re done