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SYMPTOM PROBABLE CAUSE ACTION TO TAKE
No output Low or no remote turn-on input Check remote turn-on voltage output at amplifier and fix as needed.
Fuse blown Check power wire integrity and check for speaker shorts.
Fix as needed and replace fuse.
Power wires not connected Check power wire and ground connections and fix or replace as needed.
Audio input not connected Check RCA connections and fix or replace as needed.
Speaker wires not connected Check speaker wires and fix or replace as needed.
Speakers are blown Check system with known working speaker and fix or replace
speakers as needed.
Audio cycles on Thermal protection engages when Make sure there is proper ventilation for amplifier and improve
and off amplifier heatsink temperature ventilation as needed .
exceeds 90°C (190°F)
Loose or poor audio input Check RCA connections and fix or replace as needed.
Loose power connections Check power wire and ground connections and fix or replace as needed.
Distorted output Amplifier level sensitivity set too high Readjust gain. Refer to Adjusting the Sound of the System
Exceeding maximum capability section of this manual for detailed instructions.
of amplifier
Impedance load to amplifier too low Check speaker impedance load, if below 2Ω stereo or 4Ω mono.
rewire speakers to achieve a higher impedance.
Shorted speaker wires Check speaker wires connections and fix or replace as needed.
Speaker not connected to Check speaker wiring and fix or replace as needed. Refer to the
amplifier properly Speaker Connections section of this manual for detailed instructions.
TROUBLESHOOTING TIPS
page 36