Troubleshooting - dBTechnologies es602 Manual Del Usuario

4. TROUBLESHOOTING

The speaker doesn't turn on:
1. Check that the power supply upstream of the system is working properly
2. Check that the power cord is properly plugged
3. Check that the ON/OFF selector is turned to "I".
The speaker turns on but it doesn't output any sound:
1. Check that the input connections of the main audio signal and of the auxiliary one, if any, have been
performed properly
2. Check that the cables in use are not damaged
3. Check that the mixer or the audio source are on and that they clearly indicate the presence of an
output signal to the speaker.
4. Check that the level of the main audio volume and of the auxiliary one, if any, are set to an appropriate
value
The speaker outputs a distorted sound:
1. Adjust the source volume first, then set the ES 602 or ES 802 system input volume to an appropriate
value
2. Check that the cables in use are not damaged; should that be the case, replace them (a damaged cable
may result in a signal loss or alteration)
The 2 satellites of the ES-802 system (ES-TOP A + ES-TOP B) don't output any sound:
1. Turn off the system and disconnect the audio connection between the subwoofer and the satellites
2. Check the integrity of the audio cable used for the connection
3. Uninstall and properly reinstall the 2 satellites A and B, checking that there are no mechanical
clearances.
4. Properly reconnect the output of the "TOP OUTPUT MONO A" subwoofer to the ES-TOP A input.
5. Turn on the system, then progressively increase the input volume and the auxiliary one, if any.
ES 602 - 802
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English
Cod. 420120228 REV. 1.2