troubleshooting
symptom | possible cause |
no output | low or no remote |
| input |
| fuse blown |
| power wires not connected |
| audio input not connected |
| or no output from source |
| speaker wires not connected |
audio cycles on and off | speakers are blown |
| thermal protection engages |
| when amplifier heatsink |
| temperature exceeds 90° C |
| loose or poor audio input |
distorted output | amplifier level sensitivity set too |
| high; exceeding maximum |
| output capability of amplifier |
| impedance load to amplifier too |
| low |
| shorted speaker wires |
| speaker not connected to |
| amplifier properly |
| internal crossover not set |
| properly for speaker |
action to take
check remote
check power wire integrity and reversed polarity, repair as needed and replace fuse
check power wire and ground connections and repair or replace as needed
check input connections and signal integrity, repair or replace as needed
check speaker wires and repair or replace as needed
check system with known working speaker and repair or replace speakers as needed
make sure there is proper ventilation for amplifier and improve ventilation as needed
check input connections and repair or replace as needed
reset gain referring to the tuning section of the manual for detailed instructions
check speaker impedance load if below 2 stereo or 4 mono rewire speakers to achieve a higher impedance
check speaker wire connections and repair or replace as needed
check speaker wiring and repair or replace as needed refer to the installation section of this manual for detailed instructions
reset crossovers referring to the
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