...Do these types of switches occasionally lose their signal receiver capability? Is there anything else I should check before committing to buying new switches?
MAP / MEASURE / CORRECT (http://www.x10community.com/forums/index.php?topic=9899.msg62635#msg62635)
:)
Follow the recommendations in my FAQs / Sig Link and you should be able to reach a solution...
;)
[TTA Edit: Moved MAP / MEASURE / CORRECT to TTA's Troubleshooting Thread.]