Scoreboard system from 2012 or newer


Troubleshooting

Locate the problem with a little help from the diodes and the illustration below




Power connection OK
control power connection


F3 230V fuse OK
change fuse F3 (1AT) Press top of fuse holder and turn counter-clockwise.


F1 12VDC horn OK
change fuse F1 (5AT) Press top of fuse holder and turn counter-clockwise.


F2 24VDC digits OK
change fuse F2 (5AT) Press top of fuse holder and turn counter-clockwise.


there might be a short circuit in the cables or in Naucon-1000.



no data received.


change NGMCB or call service.

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