Ground (GND) connections amplifier and vehicle chassis are secure Battery fuse OK
E. Amplifier Does Not Turn ON, and Red LED Lit Amplifier not Connected Shorted Speaker Verify:
A. Source output amplifier not distorted
B. Source output sensitivity correctly adjusted
5. High-level cables from speaker amplifier are not shorted
GB. Speakers meet correct impedance for application (mono stereo hookup)
6. Amplifier Output Distorted Music not Recorded with Intentional Distortion Verify:
A. Amplifier mounted with adequate air circulation around vents
B. Amplifier not mounted under carpet
C. Amplifier Shuts Down, Green LEDs are Lit Amplifier Thermal Protection Mode Verify:
A. Engine Noise From Speaker(s)
Turn source OFF, Disconnect RCA cables amplifier noise stops, check equipment cables leading amplifier- Verify:
A. Status LED Amplifier not Lit, Head Unit (Source) Turned Verify:
A. Amplifier fuse battery and amplifier have proper voltage
2. RCA cables from amplifier source are securely connected
C. High-level cables from speaker(s) amplifier are securely connected
B.GB
Amplifier Troubleshooting Guide
1. Speaker crossover not defective
B. Remote turn-on wire from source amplifier has proper voltage
B. Status LEDs Lit, Output from Speakers Normal Operating Condition Verify:
A. Volume adjustment amplifier correctly adjusted
3. RCA cables are good quality with breakage internal shields
B. Power (B+) connections amplifier, terminal blocks, and battery are secure
C. RCA cables from source amplifier are not run alongside power
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