Door does not open wide enough/to its normal width

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CauseSolution
Opening angle not adjustedAdjust Opening Angle (blue knob on top board)
Battery FailureRecharge or replace battery

Remote Control Batteries

The batteries used in our transmitters are shown below. They can be obtained at your local drug stores.
Replacement Battery = 12v 23A
Replacement Battery = 9v
Replacement Batteries (2) =
3v 2016
Replacement Battery =
3v CR123