Dual ALB12 Guía para resolver problemas descargar pdf (Pagina 8)

Problem Cause Action

Unit will not turn on

(no power LED indicator)

BAT+wirenotconnectedorincorrectvoltage

REMwirenotconnectedorincorrectvoltage

Checkconnectionsforpropervoltage

(11~16VDC)

GND wire not connected Checkconnectiontoground

Fuse(s)blown Replacefuse(s)

Unit has power - LED is

green (but no sound)

Volume turned all the way down Increasevolumelevelatheadunit

Speakerdefectiveordamaged Check/replacespeaker

Input signal not connected Checkhighorlowlevelinputsfor

proper connection

Unit blows fuse(s)

Incorrect fuse rating Usefuse(s)withcorrectrating

BAT+ wire touching chassis ground Checkforpinchedwire

Speakerdefectiveordamaged Check/replacespeaker

Engine noise

Bad ground connection Makesureamplifierisgroundedto

clean bare metal

SignalgroundlooporRFI(radiofrequency

interference)

Re-routeRCAcablesfromexisting

high current wiring

Distorted audio output

Incorrect input signal type or

inputleveltoohigh

Checkconnectionsandreduce/adjust

inputlevel

Low audio output

Incorrect input signal type or

inputleveltoolow

Checkconnectionsandincreaseor

adjustinputlevel

Weak bass

Lowfrequencyoutputisoutofphase Adjust phase control as needed

Troubleshooting

INSTALLATION

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Dual ALB12 Guía para resolver problemas Pagina 8