23
SUPPORT AND TROUBLESHOOTING
TROUBLESHOOTING
No sound from
the loudspeaker
Loudspeaker has
hum or buzz
Different sound
for each speaker
Sound breaks up
suddenly
A
Make sure the power cable connection is plugged in tightly and turn right to the ON position.
B Make sure all cables and other connected devices are properly and securely connected.
A
Make sure the power input is normal.
B
Check the cables for bends, shorts, or breaks.
C
Check whether the signal cable is in good contact.
C Make sure the DSP and LEVEL setting gears are in the position corresponding to the normal gears.
D Make sure the sound source device is functioning properly and can play the desired signal.
E Check if the level setting is too low, adjust the output level setting of the sound source device, or increase
the output level with the LEVEL control.
D
If the signal indicator light is solid red, it means the output volume is too loud, adjust the output level setting
of the audio source device, or use the LEVEL controller to adjust the output level.
Set each speaker's DSP switch and LEVEL switch to the same position.
Please wait until the amplifier cools down. If the device does not reset automatically, turn the power off and
on again.
