Troubleshooting - Denon TU-1800DAB Operating Instructions Manual

Troubleshooting

If a problem should arise, first check the following.
1. Are the connections correct?
2. Have you operated the receiver according to the operating instructions?
3. Are the speakers and other components operating property?
If this unit is not operating properly, check the items listed in the table below. Should the problem persist, there may be a
malfunction. Disconnect the power immediately and contact your store of purchase.
Symptom
Power does not turn on when
ON/STANDBY switch is pressed.
Hissing noise is heard on FM
broadcasts.
Hissing or buzzing sound is
heard on AM broadcasts.
Booming sound (humming) is
heard in AM broadcasts.
Nothing happens when remote
control buttons are pressed.
I can not get any sound.
Display says "Station not
Available".
I can not access secondary
services.
I hear a burbling sound on some
stations.
Cause
• Power supply cord's plug is not plugged in to
wall outlet.
• Antenna cable is not properly connected.
• Antenna is not pointing in the right direction.
• Radio waves are weak.
• Noise from a TV or interference in the signals
sent from the broadcast station.
• Signals transmitted over the power supply cord
are modulated by the power source frequency.
• Are the batteries dead?
• Is the remote control unit too far away?
• Is there an obstacle between the remote
control unit and the main unit?
• You have pressed the wrong button.
• Batteries are not set in their proper direction
(< and >).
• Power connected amplifier not turned on.
• Ensure that DAB coverage exists in your area. • Check that antenna is connected.
• At the time of publishing this manual not many
secondary services are available, this will
increase as more DAB
broadcasting.
• DAB like other digital media is good at
producing quality audio from a low level signal,
however if this signal, level is too low a
"burbling" sound can sometimes be heard.
• Plug the power supply cord in properly.
• Connect the leads properly.
• Point the antenna in the right direction.
• Install an outdoor antenna.
• Turn off the TV.
• Change the position of the loop antenna.
• Install an outdoor antenna.
• Insert the plug in the opposite direction.
• Install an outdoor antenna.
• Replace the batteries with new ones.
• Operate from closer to the main unit.
• Remove the obstacle.
• Press the desired button.
• Set the batteries in the proper direction.
• Connection leads to amplifier not made
correctly.
• If a secondary service station is available, the
secondary indicator <<, >> will be displayed
stations start next to the station name.
• To reduce this try repositioning your antenna
to gain maximum signal strength, alternatively
available to the TU-1800DAB.
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