Directed Electronics MA4100 owner manual S o u n d

N o S o u n d

Is the WARM UP LED illuminated?

YES

The warm up cycle can take up to 40 sec., Is there sound after that?

NO				YES
Is	there
			You’re done
signal on the
RCA’s?
YES
Contact your
		dealer

NO

Do you have 12V at the amplifier’s connections?

		YES				NO
					Check		all
	Does the amp
	remote		(REM)		connections.
		have 12V?			Repair as
					needed
	YES			NO
	Trace back the amp
Check main
system fuse.				remote to your source
Did that work?				unit. Repair as needed

YES

You’re done

NO

Contact your

dealer

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?

NO

YES

Check speaker wires for shorts or other damage and correct as needed.

Did that fix the problem?

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.

You’re done	Check voltage supply to
	ensure sufficient voltage.
	Did that work?

YES

You’re done

11

NO

Contact your

dealer

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