I recently replaced 139.53674SRT2 with 139.53920DM garage door opener. It only came with 1 opener. I was trying to program my previous openers. I was not able to program. In addition, I could not program the Home Link buttons in my cars either. With my previous model, it was able to program.
Your previous garage door opener operated on 396 mhz. Your current opener operates on 315 mhz. The openers will not interchange. The openers in your vehicles won't communicate with the logic board in your new garage door opener. They are 396 mhz also.
Contact the retail store where you bought the opener and see what they can do to help the situation. Sears still sells the 396 mhz openers, something can be arranged to make your remotes work.Member
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