hi ..............we want to erase all transmitters re set and then reprogram
ERASE: hold down the learn button for 6 or 7 seconds
HARD RESET: unplug the opener what should be for a good minute......in the meantime remove the batteries from the transmitters including key less.....and if you have a battery back-up.....plug back in the opener and replace the batteries which should be fresh
Do you have a manual? and do you know how to program the transmitters?
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