TROUBLESHOOTING
Problem Cause Solution
No Power.
AC power cord is not connected to the power
supply or is not connected to a power supply
correctly.
Please check that the AC power cord is connected
correctly.
There is no
sound or is
distorted.
• The audio cables aren’t connected correctly.
• The volume is set to the minimum level.
• The sound is switched OFF.
• Turn up the volume.
• Press MUTE on the remote control to switch On the
sound. Press PLAY/PAUSE.
Plus speakers
hums.
• Signal lines from source device to Plus speakers
too long.
• Signal line used is not fault-protected or the
protection has been damaged (defective).
• Ground loop (ripple pickup) generated.
• Another piece of equipment on the same circuit
has no interference suppression (e.g. fridge).
• Use shorter signal line.
• Change signal line for a fault-protected line.
• A ground loop can be generated when two or
more devices connected via a signal line (synch)
are plugged into separate sockets (e. g. amplier
and computer). Plug all devices connected to the
Plus speakers into a multiple socket output using
safety plugs.
• Switch off possible sources of interference to
test; unplug the device concerned to see if the
humming noise disappears or connect the source
of interference to a different circuit. (Where
necessary take advice from your electrician). Insert
a special “ferrite common mode lter” (available
from specialist retailers) between the amplier and
the Plus speakers to eliminate the humming. Turn
the power plug round to reduce the so-called ripple
voltage (particularly important if the source device
is not earthed).
The remote
control does not
function.
• There is no battery in the remote control.
• The batteries are at.
• The remote control isn’t pointed to the remote
sensor.
• The remote control is out of operating range.
• The unit is turned Off.
• Install one CR 2032 battery into remote control.
• Replace the battery with new one.
• Make sure that the remote control is pointed to the
remote control sensor.
• Make sure the remote control is within the
operating area.
• Switch Off the unit and disconnect it from the AC
outlet. Then power it On again.
No playback via
Bluetooth.
• There is no connection between the Plus
speakers and the Bluetooth end device.
• The Bluetooth end device is paired but no
playback takes place.
• Connect your Bluetooth end device as described
(refer to your Bluetooth device user manual).
• The Bluetooth end device must be connected
again.
» You are out of range.
» Set the volume on the mobile end device to
maximum
» Increase the volume of the Plus speakers.
» Ensure that interference sources like a WLAN
router or laptop are not set up in direct proximity
of the Plus speakers.
» Concurrent operation of WLAN and Bluetooth
from a Bluetooth end device is not possible
without interferences in most cases. (Disable
WLAN at your mobile device.)
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