MMH Expert_Bob B, asked some questions: I have 3 139.53778 transmitters - recievers are very diff
3: 139.53778 remotes ( transmitters) 2; 41A4315-6 dtd 06/93 ( recievers ) 1; 1A43115- 7A (reciever) I want all three remote transmitters to open the three doors I can get units to work for one but when I try to get the second tranmitter programed, it cancells out the first, Why, how do I get all three in sinck ??
B b g...
Expert
I'm not sure the set up you had before, but if you want a remote to operate different openers with different receivers then you need a universal receiver. Chamberlain (manufactures Sears openers) makes a Clicker brand that would work well. Alot of times when you try to program one remote and another loses the code it means too many have been programmed in, more than 6 usually. Erase all codes out, by holding down the colored learn button and start to program from scratch. For multiple ones, erase all before programming. Of course the best thing to do is when one of them goes out replace all of them so they will be on the same channel in the future and you never have to worry about it. Thanks BB
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