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Craftsman Garage Door Opener , opens on it's own
Craftsmen GD Opener 3/4 HP Model # 139.53990D Org. Owner and Installer.
Replace remote battery, worked fine. Then that night it opened by its self. And keeps doing it. Have unplugged it and tried that first. Do not see anything anywhere on how to trouble shoot it. Do not have much free time these days. Just would like to know what to troubleshoot next? erase codes?
Can't not leave the house without unplugging.
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