CAME
Incorrect Close Limit Position or Back‑drive
Garage door closes fully then immediately reopens a short distance
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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
Close limit set too far, causing mechanical stall, Door hitting floor obstruction, Worn drive sprocket or chain causing slip, Encoder misalignment at end of travel
How to Fix / Troubleshooting
Safety first: Keep clear of the door while adjusting limits.
Steps:
- Inspect floor area: Remove any objects or buildup at the threshold that could prevent full closure.
- Adjust close limit: On CAME operators with mechanical cams, back off the close cam slightly so the motor stops just as the door contacts the floor. On electronic systems, re‑set the close limit via programming.
- Check drive components: Inspect chain/belt tension and sprockets for wear or slipping.
After adjustment, test several close cycles to ensure the door stays closed without reopening.
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Repair Difficulty
Medium
3/5
Required Part
CAME limit switch cam / encoder / drive chain
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