Chamberlain Smart Control Panel Struck Dumb

I have a rather nice garage door opener (Chamberlain HD900D). Since my
wife sometimes forgets to close the garage door, I added a magnetic
contact switch and an X10 PowerFlash module; that and a little HEYU
scripting alerts me when the door is left open too long. Naturally I
also need a way to close the door remotely, so I added an X10
Universal Module set for momentary relay closure and wired it across
the opener's input terminals. While this does, indeed, actuate the
garage door, it also causes the Smart Control Panel to completely wig
out/reset, losing the clock settings and who knows what else in the
process.
Anyone out there come up with a solution for this problem?
Reply to
Robert Higgins
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I'm running into the same thing connecting it to a relay on my Elk M1. Any ideas would be greatly appreciated!
Reply to
michelkenny

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