Check the battery contacts.
Marantec garage door remote not working.
Simply add the external receiver wire to it.
Insufficient range of remote control less than 6 m put the remote control to another place in the car.
Using the wiring provided insert the solid white wire into terminal 3 on the garage door operator.
The most common cause of garage door remote control failure are weak or dead batteries.
The motor can only be operated pressing button but not by the remote control check the battery in the hand transmitter.
If you know that you have a 40mhz 390mhz or 433mhz frequency receiver or remote on your marantec opener then you ll need to install a new radio receiver and remote conversion kit.
Plug the external receiver into the power outlet.
Universal types of remotes that you may see at the big box stores will not work with these frequency of receivers.
Dirty worn or wet contacts inside of the battery case inhibit the electrical current.
Relearn the coding.
The most common cause for remote not working is dead batteries.
We will go through each step you need to do in order to program the marantec remote to your marantec opener.
So check the batteries first.
How to fix a garage door opener remote that has stopped working check the batteries.
The motor starts but the door is not opened ensure that the carriage engaged.
Access the batteries by opening the panel on the back.
Programming a remote for a marantec opener can be difficult without instructions.
If your device has screws remove them and open the panel.
Do not remove the wire that is already inserted in terminal 3.