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Amplifier Troubleshooting Guide
Status LEDs on Amplifier not Lit
Head Unit (Source) Turned “ON”
Verify Remote turn-on wire from source to amplifier has proper voltage
Power (B+) connections at amplifier, terminal blocks, and battery are secure
Ground (GND) connections at amplifier and vehicle chassis are secure
Battery B+ fuse is OK
Amplifier fuse is OK
B+ at battery and B+ at amplifier have proper voltage
Status LEDs Lit, no Output from SpeakersSpeakers in Normal Operating
Condition
Verify High-level cables from speaker(s) to amplifier are securely connected
RCA cables from amplifier to source are securely connected
Sensitivity adjustment on amplifier is correctly adjusted
Engine Noise from Speaker(s)
Turn source “OFF”
Disconnect RCA cables at amplifier
If noise stops, check equipment and cables leading to amplifier
Verify RCA cables are of good quality with no breakage to internal shields
RCA cables from source to amplifier are not run alongside power
Amplifier Output DistortedMusic not Recorded with Intentional Distortion
Verify Source output to amplifier is not distorted
Amplifier input sensitivity is correctly adjusted
Amplifier Shutting Down, Red and Green LEDs LitAmplifier in Thermal
Protection Mode
Verify Amplifier is mounted with adequate air circulation around vents
Amplifier does not have obstructions blocking back or side panel vents
Amplifier is not mounted under carpet
Speakers meet correct impedance for application (mono or stereo hookup)
Amplifier not Turning “ON”, Red LED LitAmplifier not Connected to a Shorted
Speaker
Verify Speaker crossover is not defective
High-level cables from speaker to amplifier are not shorted
Amplifier not Turning “ON”, Red LED LitSpeakers, Crossovers, and Cable OK
Amplifier requires service
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