Power amplifier troubleshooting
If you encounter any problems with your power amplifier, consult this troubleshooting section for possible
solutions. If this troubleshooting section does not solve your problem, contact your dealer for more
information and help.
This troubleshooting section contains the most frequently occurring problems and is not a complete
collection of possible faults, defects and solutions. This troubleshooting section applies to power amplifiers. It
is possible that the problems, causes and solutions described below do not apply to your situation as product
details may vary from product to product.
Problem
Possible Cause
Solution
Product can not be activated
ON/OFF switch set to OFF
Set the amplifier to the ON position
using the the ON/OFF switch
Power not plugged in
Connect the included power cable
to the power inlet and a wall outlet
or power socket.
Fuse blown
Disconnect power and inspect the
unit and your power supply for
technical malfunctions. If nothing is
damaged, replace the fuse with
one of the same type and rating
and plug the device back into your
power outlet.
No sound produced
Signal source level set to minimum
or muted
Increase signal source level or un-
mute
Signal source level on the amplifier
set to minimum
Increase signal source volume
level on the amplifier using the
volume controls
Defective cable or connectors
Replace cable
Speaker not connected properly
Check the connection from your
amplifier to your speakers
Wrong working mode selected
Select the correct working mode
(stereo or bridge) and apply the
correct cabling
Distorted sound
Signal source level too high
Decrease signal source level
Signal source level on the amplifier
set too high
Decrease signal source level on
the amplifier
Speakers can't handle the
supplied amplifier power
Decrease volume level on your
signal source or amplifier to avoid
damage
Clipping amplifier channels
Decrease volume level of your
signal source or amplifier to avoid
damage
Lack of bass
Reference track has little or no low
frequencies
Try playing a different reference
track that has low frequencies
through the speaker system
Bass level set to minimal on signal
source
Increase Bass level to neutral
position
Any information and illustrations shown in this user manual are subject to change without further notice.
User manual version: 4.0
Creation date + author initials: 11-12-2015 RV Revision date + author initials: 10-12-2015 RV