Bedienungsanleitung Autotek TA2150 (Seite 12 von 32) (Deutsch, Englisch, Französisch, Italienisch, Spanisch)

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TROUBLESHOOTING

If you are having problems after installation follow the Troubleshooting procedures below.

Procedure 1:

CheckAmplierforproperconnections.

Verify that POWER LED is on. If POWER LED is on skip to Step 3, if not continue.

1. Check in-line fuse on battery positive cable. Replace if necessary.

2. Checkfuse(s)onamplier.Replaceifnecessary.

3. Verify that Ground connection is connected to clean metal on the vehicle’s chassis. Repair/replace if necessary.

4. Verify there is 9 to 16 Volts present at the positive battery and remote turn-on cable. Verify quality connections for both cables at

amplier,headunit,andbattery/fuseholder.Repair/replaceifnecessary.

Procedure 2:

PROTECT LED is on.

1. If the PROTECT light is on, this is a sign of a possible short in the speaker connections. Check for proper speaker connections

and use an ohm meter to check for possible shorts in the speaker wiring. Too low speaker impedance may also cause PROTECTION

tolight.Thiscanalsobeasignofdrivingtheamplieratveryhighpowerlevelswithoutadequateairowaroundtheamplier.Shut

offthesystemandallowampliertocool.Checkthatthevehiclechargingsystemismaintainingpropervoltage.Ifthepreviousitems

donotsolvetheproblem,afaultmaybeintheamplier.Inthiscaseyoushouldcontactyourdealer.

Procedure 3:

CheckAmplierforaudiooutput.

1. VerifygoodRCAinputconnectionsatheadunitandamplier.Checkentirelengthofcablesforkinks,splices,etc.

Test RCA inputs for AC volts with head unit on. Repair/replace if necessary.

Procedure 4:

CheckAmplierforapoppingnoisewhileturningon.

1.Disconnectinputsignaltoamplierandturnamplieronandoff.

2.Ifthenoiseiseliminated,connecttheremoteleadofampliertosourceunitwithadelayturn-onmodule.

1.Useadifferent12Voltsourceforremoteleadofamplier(i.e.batterydirect).

2.Ifthenoiseiseliminated,usearelaytoisolatetheamplierfromnoisyturn-onoutput.

Procedure 5:

CheckAmplierifyouexperienceexcessEngineNoise.

1. Route all signal carrying wires (RCA, Speaker cables) away from power and ground wires.

2. Bypassanyandallelectricalcomponentsbetweentheheadunitandtheamplier(s).Connectheadunit

directlytoinputofamplier.Ifnoisegoesawaytheunitbeingbypassedisthecauseofthenoise.

3. Remove existing ground wires for all electrical components. Reground wires to different locations.

Verify that grounding location is clean, shiny metal free of paint, rust etc.

4. Add secondary ground cable from negative battery terminal to the chassis metal or engine block of vehicle.

5. Have alternator and battery load tested by your mechanic. Verify good working order of vehicle electrical system including distributor,

spark plugs, spark plug wires, voltage regulator etc.

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