Directed Audio XTR Amplifier XTR2504 - Manual (Page 19)

© 2008 Directed Electronics. All rights reserved. 18
Troubleshooting Tips
Symptom Probable Cause Action To Take
no output
Low or no remote turn-on Check remote turn-on voltage at voltage amplifier and repair as needed .
Fuse blown Check power wire's integrity and check for speaker shorts . Fix as needed
and replace fuse .
Power wires not connected Check power wire and ground connections and repair or replace as needed .
Audio input not connected . Check RCA connections and repair or replace as needed .
speaker wires not connected Check speaker wires and repair or replace as needed .
speaker are blown Check system with known working speaker and repair or replace speakers as
needed .
Audio cycles on and off
thermal protection engages when amplifier heat
sink temperature exceeds 75º C (167º F) Make sure there is proper ventilation for amplifier and improve ventilation
as needed .
Loose or poor audio input Check RCA connections and repair or replace as needed .
Loose power connections Check power wires and ground connections and repair or replace as needed .
Distorted output
Amplifier level sensitivity set too high exceeding
maximum capability of amplifier Readjust gain . Refer to the Adjusting the Sound of the System section of this
manual for detailed instructions .
Impedance load to amplifier too low Check speaker impedance load, if below 2 Ω, rewire the speakers to achieve
higher impedance.
shorted speaker wires Check speaker wires and repair or replace as needed .