Diamond Audio Technology D5 300.2 Owner's Manual - Page 12

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BASIC TROUBLESHOOTING

Amplifier has no output.

Is LED (located on power/ground endpanel) lit?

Yes: Make sure audio signal is present at RCA inputs. If no signal is

present, use alternate signal source and try again. If signal is

present, check configuration of crossovers. If still no signal, contact

your authorized dealer.

No: Check power, ground and remote wire for +12V. Verify all

connections. If voltages are correct and still no LED, contact your

authorized dealer.

Sound in one channel only.

Reverse left and right RCA cables at amplifier inputs. Is the sound

now in the opposite channel?

Yes: Reverse the input RCA cables in every product installed BEFORE

your amplifier until the problem is found. Check RCA cables for

open connections. Repair as necessary.

No: Check the speaker or speaker wires of the dead channel and

repair as needed. If speaker and wire are OK, contact your

authorized dealer.

The amplifier channels "squeal" when operating.

One or more speaker wires are shorted or one or more speaker

voice coils are shorted or rubbing. If speakers and wires are OK,

contact your authorized dealer.

Amplifier volume cuts out as music is playing without

touching any system controls.

Amplifier is going into thermal protection. Make sure amplifier has

room to breathe. Preventing air from reaching the heatsink will

cause the amplifier to overheat, as will running the amplifier at too

low of an impedance.

Diamond Audio Technology 10