Almost all problems can be eliminated by re-checking connections and settings in your system. Follow the steps below
as a guide. If you cannot solve the problem, consult your XFIRE AUDIO installation professional.
NO SOUND - POWER LED IS OFF
1. Checktheinlinefuse(s)inthepositivepowercable,replacetheseifneeded.
2. Check the negative power cable connections.
3. Checkifthesystemoperatingvoltageisbetween8.5V-16VDC,ourampliershaveahighandlowvoltagepro-
tection.
4. Verify source unit operation.
5. Check connection of REMOTE TURN ON wire. If steps 1-4 are OK your amplifier should switch ON and the power
LED should light up.
NO SOUND - POWER LED IS ON
1. Check the RCA cables are properly connected on the source unit and amplifier.
2. Check the RCA cables for damages and replace the cables if needed.
3. Check the speaker cables for damages and if they are connected properly, replace cables if needed.
4. Check if the speakers are damaged and replace if needed.
NO SOUND - PROTECTION LED IS ON
1. Thespeakersconnectedhaveanimpedanceunderthespeciedloadorthespeakers/speakercableshaveashort
circuit.
2. The amplifier runs really hot, mount the amplifier as recommended in the INSTALLATION section, check the imped-
anceofthespeakersandmeasureiftheoperatingvoltageiswithin8.5V-16VDC.
3. CheckforDCosetontheRCAinputs,ifsocheckthesourceunitandRCAcablesfordamages.
POOR BASS RESPONSE
1. Check if all speakers are connected with the right polarity, speakers connected out of phase will cancel each other
resulting in a poor bass response.
2. Checkiftheconnectedspeakers/subwoofer(s)areOK,replaceifneeded.
ENGINE NOISE
1. Use only high quality shielded RCA cables.
2. Ensurethatall signal transfer wires(RCA, speakercablesetc.)are keptseparatelyand awayfrom powerand
ground wires.
3. EnsureyouhaveonlyONEgroundconnection(starground)forallyouraudiocomponents.
4. Ensure that the point of ground is 100% metal which has been sanded free of rust, paint etc.
5. “Optional”ReplacetheOEMgroundcablefromthebatterywiththepropergaugewire(seePowerWiringSelection
Chart).
In case of difficulty
EFX series LIFE AMPLIFIED