7 Problem Chart
PROBLEM
No power.
No sound.
Fan does not work, LEDs do
not light up.
LED
Fault
lights
permanently.
8 Cleaning and Maintenance
We recommend a frequent cleaning of the device. Please use a soft lint-free and moistened cloth. Never use
alcohol or solvents!
There are no serviceable parts inside the device except for the fuse. Maintenance and service operations are
only to be carried out by authorized dealers. Should you need any spare parts, please use genuine parts. If
the power supply cable of this device becomes damaged, it has to be replaced by a special power supply
cable available at your dealer. Should you have further questions, please contact your dealer.
Replacing the fuse
If the fine-wire fuse of the device fuses, only replace the fuse by a fuse of same type and rating. Before
replacing the fuse, unplug mains lead.
Procedure:
Step 1: Open the fuseholder on the rear panel with a fitting screwdriver.
Step 2: Remove the old fuse from the fuseholder.
Step 3: Install the new fuse in the fuseholder.
Step 4: Replace the fuseholder in the housing.
CAUSE
The power cord is not connected.
•
The power cord of the respective
•
device is not connected properly or
not connected at all or is defective.
The connection socket or the plug is
•
dirty.
The power cord is not connected.
•
up
Inputs receive DC voltage.
•
Amplifier is overheated due to
•
impurities or heat accumulation.
Impedance of speakers too low.
•
Short-circuit in speaker connection or
•
in speakers.
Technical default of amplifier.
•
Check the power cord and any
•
extension cables.
Check the power cord and if the plugs
•
are tightly connected with the sockets.
Clean the socket and/or the plug.
•
Please check if the power is available
•
Switch amplifier off and have the
•
device checked by a service-
technician.
Clean the fan grille.
•
Provide for sufficient air circulation.
•
Connect other speakers.
•
Check speakers.
•
Switch amplifier off and have the
•
device checked by a service
technician.
18 • EN
REMEDY