Maxell MXSB-252BT, Instruction Manual

Page: 15 / 172

Troubleshooting
EN-13
To keep the warranty valid, never try to repair the system yourself. If you encounter problems when using
this unit, check the following points before requesting assistance.
Warranty may be void if the case is opened.
Symptom Likely Cause What to do
No sound Speaker not connected to active
AC power · Verify that speaker is connected and
that the circuit is on.
Power not switched on
· Switch on power and verify that power
LED is on.
Suddenly No sound Triggered auto-off function · Turn the volume up of the source, e.g
TV, mp3 player, etc, and readjust the
sound of the unit to trigger auto-on
function.
· See No Sound symptom above.
No sound, speaker is connected to
working AC power but sound won’t
come on Cannot trigger auto-on function · Increase the volume of the source input
signal.
Speaker power cable is faulty or
improperly connected
· Re-attach the power cable at both ends.
· Substitute a known-working power cable.
Improper connections
· Double check the Input / Output cable
connections.
No sound. Speaker comes on Faulty cables and connections · Disconnect and re-attach signal cables.
· Make sure cables are plugged
completely.
· Replace suspected cable with a
known-good cable.
Noise or hiss heard at output Faulty Cables and connections · Disconnect and re-attach signal cables.
· Make sure cables are plugged
completely.
· Replace suspected cable with a
known-good cable.
Noisy source device
· Disconnect the devices that are
connected to your speaker one at a
time. If the noise goes away, the
problem is with the source or the
connecting cable.
Hum or Buzz that increases or decreases
when more than one source are
inputting signal to the Soundbar at the
same
time Interference internally · Disconnect or mute the other channels
to solve the problem.
Faulty cable between source
equipment and unit
· Substitute a known-good cable for the
suspected faulty cable.
Smart Remote control does not work No/Low battery power ·Pull tab at the bottom of Smart Remote
control.
· Insert/Replace remote control battery
with a CR2025 battery. (see P.7)
The Soundbar does not respond to the
remote control No/Low signal from remote control
to the unit · Reduce the distance between the
Smart Remote control and the unit.
· Aim the Smart Remote control directly
at the sensor on the front of the unit.
The unit responds but no sound
· Before you press any function button,
· See Troubleshooting [No Sound]
Symptom.
The Soundbar does not power on
automatically when an audio signal
is applied.
The auto-on feature applies only
to the RCA/LINE-IN inputs. If the
OPTICAL input is being used the
auto-on feature is not available.
· Make sure either the RCA input or the
LINE-IN input is being used.
· Make sure the volume level of the
source device is at a medium to high
level.