Troubleshooting; Owner's Manual - Denon AVR-2308 Owner's Manual

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Troubleshooting

If a problem should arise, first check the following:
1. Are the connections correct?
2. Is the set being operated as described in the owner's manual?
3. Are the other components operating properly?
If this unit does not operate properly, check the items listed in the table below. Should the problem persist,
there may be a malfunction.
In this case, disconnect the power immediately and contact your store of purchase.
GGeneralH
Symptom Cause
Power does not • Connection of the power cord is
turn on, or turns faulty.
off directly after it
was turned on.
No sound is • Connection with
produced from devices or connection of the
speakers. speaker cables is faulty.
• Device you want to play and set
input source do not match.
• Master volume is turned too
low.
• Mute mode is set.
• Headphones are connected.
• No digital signals are being
input.
• The connectors to which the
digital inputs are assigned and
the settable input modes do not
match.
Display is off. • The "Dimmer" setting is set to
"OFF" .
• The PURE DIRECT mode is set.
"DOLBY DIGITAL " • DVD player's digital audio output
indicator does not setting is not proper.
appear on display.

Countermeasure
• Check the insertion of the power
cord plug.
the input • Check the connections.
• Select an appropriate input
source.
• Adjust the master volume to an
appropriate level.
• Cancel the mute mode.
• Disconnect the headphones.
• Select an input source for which
the digital input setting has been
made.
• Set the input mode.
• Set to something other than
"OFF" .
• Set a surround mode other than
the PURE DIRECT mode.
• Check the DVD player's audio
output setting. For details, read
the DVD player's operating
instructions.
Symptom
Power turns off • Protection circuit activated due
suddenly and to rise of internal temperature.
power indicator
flashes red.
• Core wires of two speakers are
touching each other or a core
wire is sticking out of the terminal
and touching the set's rear panel,
activating the protection circuit.
• Speakers with an impedance
other than specified are being
used.
• Set is damaged.
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19
GRemote Control UnitH
Symptom
Set does not work • Batteries are worn.
9
properly when • You are operating outside of the
remote control specified range.
unit operated. • Obstacle between main unit and
43
remote control unit.
• The batteries are not inserted in
43
the proper direction, as indicated
by the polarity marks in the
43
battery compartment.
43
• The set's remote control sensor
35
is exposed to strong light (direct
sunlight, inverter type fluorescent
bulb light, etc.).
34
• The remote ID of the main unit
and remote control unit do not
match.
32
37
–
Cause Countermeasure
• Turn off the power, wait for the
set to fully cool down, then turn
the power back on.
• Place the set in a well-ventilated
place.
• First unplug the power cord,
then twist the core wires tightly
or terminate the speaker cables,
then reconnect.
• Use speakers with the specified
impedance.
• Turn off the power and contact a
DENON service center.
Cause Countermeasure
• Replace with new batteries.
• Operate within the specified
range.
• Remove the obstacle.
• Insert the batteries
proper direction, following the
polarity marks in the battery
compartment.
• Move the set to a place in which
the remote control sensor will
not be exposed to strong light.
• Set Remote ID for the main unit
to "1" .
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10
10
10
10
–
Page
3
3
3
in the 3
3
32