#285010
Billhart
Participant

First make sure that the antenna is extended out.

Then look at this.

http://www.chamberlain-diy.com/diy04/product_support/technical_support/0,1341,uid-d3FwbWFpamZkbA==_1996,00.html

If that does not help try contacting tech support.

http://www.chamberlain-diy.com/diy04/contact_us/0,1341,uid-d3FwbWFpamZkbA==_1996,00.html

(Chamberlain makesthe Sears units).