My garage door opens by itself from time to time. The make is called
"Challenger", and it is distributed by Swift Garage Door Systems.
Can anyone suggest a cure?
Thanks a lot to anyone who replies.
Don (For email replace first l with on)
Some systems (particularly the lower security level ones) allow you to set a
code on the box and the transmitter. Perhaps someone else has the same code
and is opening yours accidentally. This could be fixed by changing your
As Christian has said, you can try changing the control codes. However,
if you are unlucky enough to have quite high radiation levels around
you( Neon lights, Phone (or police) transmitters, radio amateurs?), you
may never totally get rid of the problem and could settle for key
operation. I experienced a similar problem on a secure control system,
with a 43 digit code. Random noise gave the correct coding sequence
about once every 20 minutes.
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