Maybe try DIYaudio.com in the multi-way forum, they'll be better able to help you. Plus, you can post pics which makes it easier to discuss.
Looking at pictures of the crossover, it looks like there may be a relay in there, which go bad over time.
This may also help you.
http://audiokarma.org/forums/index.php?threads/kef-103-2-budget-crossover-rebuild.672987/
Best,
E
Looking at pictures of the crossover, it looks like there may be a relay in there, which go bad over time.
This may also help you.
http://audiokarma.org/forums/index.php?threads/kef-103-2-budget-crossover-rebuild.672987/
Best,
E