Troubleshooting - RCF SUB 702-AS MK3 Owner's Manual

5. TROUBLESHOOTING

THE SPEAKER DOESN'T TURN ON
Make sure the speaker is switched on and connected to an active AC power
THE SPEAKER IS CONNECTED TO AN ACTIVE AC POWER BUT DOESN'T TURN ON
Make sure the power cable is intact and connected correctly�
THE SPEAKER IS ON BUT DOESN'T MAKE ANY SOUND
Check if the signal source is sending correctly and if the signal cables are not damaged�
THE SOUND IS DISTORTED AND THE OVERLOAD LED BLINKS FREQUENTLY
Turn down the output level of the mixer�
THE SOUND IS VERY LOW AND HISSING
The source gain or the output level of the mixer might be too low�
THE SOUND IS HISSING EVEN AT PROPER GAIN AND VOLUME
The source might send a low quality or noisy signal
HUMMING OR BUZZING NOISE
Check out the AC grounding and all the equipments connected to the mixer input including cables and connectors�
WARNING! to reduce the risk of electric shock, do not disassemble this product unless you are qualified� Refer servicing
to qualified service personnel�
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