Troubleshooting Tips - Orion XTR500.4 Owner's Manual

Troubleshooting Tips

Symptom Probable Cause
No output
Low or no remote turn-on
Fuse blown
Power wires not connected.
Audio input not connected.
Speaker wires not connected
Speakers are blown
Audio cycles on and off
Thermal protection engages when amplifier
heat sink temperature exceeds 75º C (167º F)
Loose or poor audio input
Loose power connections
Distorted output
Amplifier level sensitivity set too high
exceeding maximum capability of amplifier
Impedance load to amplifier too low
Shorted speaker wires
Action To Take
Check remote turn-on voltage at voltage ampli er and repair as needed.
Check power wire's integrity and check for speaker shorts.
Fix as needed and replace fuse.
Check power wire and ground connections and repair or replace as needed.
Check RCA connections and 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 RCA connections and repair or replace as needed.
Check power wires and ground connections and repair or replace as needed.
Readjust gain. Refer to the Adjusting the Sound of the System section of
this manual for detailed instructions.
Check speaker impedance load, if below 2Ω , rewire the speakers to achieve
higher impedance.
Check speaker wires and repair or replace as needed.
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