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.
Symptom
Cause
Countermeasure
Page
Power does not
turn on, or turns
off directly after it
was turned on.
• Connection of the power cord is
faulty.
• Check that the power plugs are
securely inserted into the AVR-
4308CI’s AC inlets and the wall
power outlet.
22
No sound is
produced from
speakers.
• Connection with the input
devices or connection of the
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.
• 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.
9
37, 38
47
47
47
40
40
Display is off.
• The “Dimmer” setting is set to
“OFF”.
• The PURE DIRECT mode is set.
• Set to something other than
“OFF”.
• Set a surround mode other than
the PURE DIRECT mode.
36
41, 42
“DOLBY DIGITAL”
indicator does not
appear on display.
• DVD player’s digital audio output
setting is not proper.
• Check the DVD player’s audio
output setting. For details, read
the DVD player’s operating
instructions.
–
Symptom
Cause
Countermeasure
Page
Power turns off
suddenly and
power indicator
flashes red.
• Protection circuit activated due
to rise of internal temperature.
• 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.
• 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.
10
10
10
10
–
G
General
H
Symptom
Cause
Countermeasure
Page
Set does not work
properly when
remote control
unit operated.
• Batteries are worn.
• You are operating outside of the
specified range.
• Obstacle between main unit and
remote control unit.
• The batteries are not inserted in
the proper direction, as indicated
by the polarity marks in the
battery compartment.
• The set’s remote control sensor
is exposed to strong light (direct
sunlight, inverter type fluorescent
bulb light, etc.).
• Remote lock mode is set.
• Replace with new batteries.
• Operate within the specified
range.
• Remove the obstacle.
• Insert the batteries in the
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.
• Release the remote lock mode.
3
3
3
3
3
60
G
Remote Control Unit
H
Troubleshooting
86
Get
ting Star
ted
Connections
Set
up
Pla
ybac
k
Remot
e Contr
ol
Multi-Zone
Inf
or
mation
Tr
oubleshooting
4.AVR4308_P70~Last.indd 17
2007/05/11 16:05:05
