Bedienungsanleitung Denon DHT-E251BA (Seite 59 von 64) (Englisch)

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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 devices 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/Solution Page

Power does not turn

on.

•Check whether the power plug is correctly inserted into the power

outlet.

•The protection circuit is active. Disconnect the power plug from

the electric outlet, wait 5 to 10 seconds and then insert it back

into the outlet.

Power automatically

switches to standby

mode.

•The sleep timer is set. Turn on the power again, or change the

sleep timer settings.

•“Auto Standby” is triggered when there is no operation for a set

amount of time. To disable “Auto Standby”, set “Auto Standby”

on the menu to “Off”.

Display is off. •Press DIMMER and apply any setting except “Off”. 16

The power indicator

is blinking red.

•The temperature inside the unit has risen. Please turn off power

once, and re-apply the power after the temperature has fallen

sufﬁciently.

•Please re-install this unit in a place having good ventilation.

•Please use speakers which have the speciﬁed impedance.

•The speaker cable has shorted (is touching). Firmly twist the core

wire in the speaker cable, and then re-connect it to the speaker

terminal.

–

After turning on the

power, the power

indicator is blinking

red.

•This unit’s ampliﬁer circuit has failed. Turn off the power and

please contact the Denon service adviser.

–

Set does not operate

properly.

•Reset the microprocessor. Note that re-setting the microprocessor

restores all pre-conﬁgured settings to the factory defaults.

GHDMIH

Symptom Cause/Solution Page

No audio is

output with HDMI

connection.

•Check the connection of the HDMI connectors.

•When outputting HDMI audio from the speakers, set “HDMI

Audio Out” on the menu to “Amp”.

•When outputting HDMI audio from a TV, set “HDMI Audio Out”

on the menu to “TV”.

No video is

output with HDMI

connection.

•Check the connection of the HDMI connectors.

•Set the input source to match the connected HDMI connector.

•Check whether the TV is compatible with copyright protection

(HDCP). If connected to a device not compatible with HDCP, video

will not be output correctly.

6, 15

No audio is output

when “Pass

Through” is set.

•Check the TV settings. Refer to the owner’s manual for your TV

for more details.

•Set the speaker to the TV speakers.

•Set HDMI control to “Off”.

–

GVideoH

Symptom Cause/Solution Page

No picture appears. •Check the TV connection.

•Set the TV input correctly.

6, 10

Basic instructions

Advanced instructions

InformationInformation

DVD

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