25
EN
TROUBLESHOOTING
Problem
Possible cause
Solution approach
The unit cannot be
switched on or no
sound can be heard.
The power cord is damaged or
the power plug is not plugged
into the socket.
Check the power cord for damage
or insert the power plug into the
power outlet.
The unit can be turned
on but no sound is
heard.
No speakers connected.
Connect to the speaker cord.
The unit is muted or the volume is
set to the minimum
Press the MUTE button or adjust
the volume.
The sound comes from
one channel only.
The connecting plugs were not
inserted correctly.
Insert the connector plugs
correctly.
No sound is heard
from some zones.
The connecting plugs were not
inserted correctly.
Insert the connector plugs
correctly.
In some zones, the volume setting
is at minimum.
Adjust the volume setting of
some zones.
The instrument sound
is reversed for stereo
playback.
Incorrect speaker polarity or
incorrect input polarity.
Make sure that the + and -
connections are made correctly.
The unit does not
work properly with the
remote control.
The battery is dead.
Replace the batteries.
Batteries were inserted the wrong
way round.
Make sure the batteries are
inserted correctly.
The remote control is too far
away from the unit.
Move the remote control closer
to the unit.
There is an obstruction between
the unit and the remote control.
Remove the obstruction.
The wrong button has been used. Use the correct button.