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TROUBLE SHOOTING TIPS
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 Make sure there is proper ventilation for amplifier and improve
and off when amplifier Heatsink ventilation as needed
temperature 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 Readjust gain. Refer to Adjusting the sound of the system
high. Exceeding maximum section of this manual for detailed instructions
capability of amplifier
Impedance load to amplifier Check speaker impedance load, if below 2Ω stereo or 4Ω mono
too low. Rewire speakers to achieve a higher impedance
Shorted speaker wires Check speaker wires connections and fix or replace as needed