The pin code on this device can be changed by following a few simple instructions.
Marantec garage door keypad programming.
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The marantec wireless keyless entry pad is a device that you can have installed with your garage door opener to allow you to type in a pin code to open the door.
Marantec m3 631 keyless entry programming instructions.
The remote needs a strong signal to program the 4 digit pin code into the keyless.
Instructions also show how to change the batteries mount the keypad change the existing pin number and clear the keyless entry memory.
You ll need to use your garage door opener remote to program the m13 631 keypad so you may need to replace the cr2032 3 volt battery in the remote if the remote isn t sending a strong enough signal to the keyless entry.