ARC Audio FD4150 Stereo Amplifier User Manual


 
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Problem
No Audio.
Solution
Low or no remote turn-on voltage. Check remote connections at ampli-
fier and source unit.
Blown amplifier fuse. Replace with new fast-blow fuse (same rating).
Power wires not connected. Check battery and ground wiring at ampli-
fier; also check battery connections.
Speaker leads shorted. Check speaker continuity to ground, it should not
show a common ground.
Problem
Audio cycles on and off.
Solution
Thermal protection circuits are shutting amplifier off. Check location for
adequate ventilation; consult an authorized ARC Audio Dealer.
Problem
Distorted audio.
Solution
Gain is not set properly, or damaged speaker cones. Review Setting Gain;
inspect each speaker cone for signs of damage (i.e. frozen cone, burning
smell, etc.)
Troubleshooting
Notes
It is recommended that you record your system configuration for later use. You
may find it helpful to write down your gain and crossover setting . You may
also wish to staple a copy of your sales receipt here.
Serial Number