Troubleshooting - a/d/s/ 245ix Owner's Manual

troubleshooting

Symptom
No output Source or amplifier not turned on.
Audio input not connected or no
output from source.
Bi-amp/Parallel switch set incorrectly
for application.
Protection circuit activated.
Speaker wires not connected.
Audio cycles on and off Speaker damaged.
Thermal protection engaged.
Loose or poor audio connections.
Distorted output Preamp volume set to high.exceeding
maximum capability of amplifier.
Impedance load to amplifier too low. Check speaker impedance load, if
Bi-amp/Parallel switch set incorrectly
for application.
Shorted speaker wires.
Speaker not connected properly.
Speaker damaged.
Poor bass response Speakers wired with wrong polarity. Check speaker polarity and fix as
Stereo/bridge switch set to bridge
position.
Speaker connected across wrong
output terminals.
Source set to mono.
14
Probable Cause
Check source or amplifier and fix as
required.
Check RCA connections and signal
integrity, fix or replace as required.
Set Bi-amp/Parallel swtich to correct
setting (see Crossover Connections
and Input Switch Setting, Bi-amplified
Connections to Crossover, or Bi-wire
Connections to Crossover).
Turn down volume, protection circuit
will automatically reset.
Check speaker wires and fix or
replace as required.
Check system with known working
speaker and fix or replace as required.
Check that amplifier has adequate
ventilation, check speaker impedance
load.
Check RCA, power and speaker
connections and fix or replace as
required.
Check volume or preamp and adjust
appropriately.
below 1 ohm rewire the speakers to
achieve a higher impedance.
Set Bi-amp/Parallel swtich to correct
setting (see Crossover Connections
and Input Switch Setting, Bi-amplified
Connections to Crossover, or Bi-wire
Connections to Crossover).
Check speaker wire connections and
fix or replace as needed.
Check speaker wiring and fix or
replace as needed. Refer to the
speaker wiring section of this manual
for detailed instructions.
Check system with known working
speaker and fix or replace as needed.
needed.
Set switch to stereo position.
Check that the speaker wires are not
connected to the bridged terminals
and fix as needed.
Check source and adjust controls as
required.
Remedy