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Door does not close

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Cause Solution
Not enough force M233: adjust clutch by rotating the red or silver ring on the clutch. If more force needed (both models) call for technical support.
Battery Failure Recharge or replace battery. Check battery voltge with a volt meter. Disconnect battery leads first. Measurement should read between 13 and 13.5 VDC when fully charged.
Table of Contents

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