⚠
warning Chamberlain
Error Code Lights flash 10 times
Safety reversing sensor beam is obstructed while the door is closing. Door will stop and reverse to the full open position.
? What Causes This
Obstruction in the safety sensor beam path while door is closing.
✓ How to Fix It
- Remove the obstruction from the sensor beam path.
- Verify sensors are properly aligned.
- Ensure nothing is hanging or mounted on the door blocking the beam.
Source: page 21 of the official manual
From the manual
This error code appears in:
Chamberlain Chamberlain Garage Door Opener