Chamberlain
Unintended Activation / RF Interference
Garage door opens or closes by itself without any command.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Stuck wall button, Shorted wall control wiring, Neighbor’s remote on same code (older models), Stuck remote button, Interference triggering receiver
How to Fix / Troubleshooting
Safety first: Until resolved, disconnect power to the opener when away to prevent unauthorized access.
Steps to fix:
- Inspect wall control: Check for a stuck button or moisture. Replace if the button does not return fully.
- Remove batteries from remotes: Take batteries out of all remotes and keypads temporarily. If the problem stops, one of them has a stuck button and should be replaced.
- Check wall control wiring: Look for shorts between the two conductors. Repair any damaged cable.
- Clear and reprogram codes: Erase all remote codes from the opener and reprogram only your current remotes and keypads.
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Repair Difficulty
Medium
3/5
Required Part
Wall Control Panel / Remote Transmitters
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