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Door does not close

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Cause Solution
Not enough force M233: adjust clutch by rotating the red ring on the clutch. If more force needed (both models) move shoe of arm in towards hinges and place middle of shoe on the next existing hole.
Battery Failure Recharge or replace battery

Remote Control Batteries

The batteries used in our transmitters are shown below. They can be obtained at your local drug stores.
2-button transmitter
4-button transmitter
Replacement Battery = 12v 23A
keyless entry push pad
large wireless wall push pad commercial door opener
narrow wireless wall push pad
vertical push pad
Replacement Battery = 9v
push button door opener keychain transmitter
Replacement Batteries (2) =
3v 2016
push button door opener wireless wall touch pad
Replacement Battery =
3v CR123