Problem Chart; Cleaning And Maintenance - Omnitronic MCD Series User Manual

7

PROBLEM CHART

PROBLEM
No power.
No sound.
Fan does not work, LEDs
do not light up.
Speakers are switched off
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8

CLEANING AND MAINTENANCE

1) DANGER TO LIFE! Disconnect from mains before starting maintenance operation! Please use a soft
lint-free and moistened cloth. Never use alcohol or solvents!
2) There are no serviceable parts inside the device. Maintenance and service operations are only to be
carried out by authorized dealers.
3) 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.
CAUSE
Power cable is not connected.
•
Power cable of respective signal
•
source is not connected properly or
not connected at all.
Connection jack or plug are dirty.
•
Power cable is not connected.
•
Amplifier is overheated
•
impurities.
Impedance of speakers too low.
•
Short-circuit in speaker connection
•
or in speakers.
Technical default of amplifier.
•
22
Check power
•
extension cables.
Check power cable and if plugs are
•
tightly connected with jacks.
Clean jacks and/or plug.
•
Please check if power is available.
•
due to Clean fan grille.
•
Connect other speakers.
•
Check speakers.
•
Switch amplifier off and have it
•
checked by a service technician.
REMEDY
cable and any