A couple of things might be happening.
Marantec garage door keypad blinking.
As soon as the opener activates do not press any additional buttons until the opener stops running.
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On the keypad press and release the up down button once every 2 seconds until the garage door opener operates.
The door should then start to move.
If you can see the light flash on the keyless entry keypad outside your garage then the issue is not likely to be a battery.
Let it run until it stops.
In other words you have a programming related issue.
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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.
In case the motor operates in one case by itself check the cabling searching for a faulty contact.
Below you will find a link to the marantec m4500 and m4700 garage door opener manual to help you learn how to adjust your operator or to find the correct replacement opener parts.
A common cause of an unbalanced garage door is having the wrong size spring s on the door.
Incorporating cutting edge german technology marantec garage door openers are known for unparalleled safety extremely quiet operation and an unwavering commitment to quality.
If you cannot clearly determin the reason disconnect the respective impulse transmitter.
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Are you troubleshooting a marantec model m4500 or m4700 garage door opener or looking for an opener parts list but don t have a manual.
Typically the lights flash like that when trying to synchronized signals during programming.
In this video precision garage door of columbus ohio provides instructions for programming your garage door opener and keypad for marantec and precision models.
Precision s professionally trained technician will always let you know if this is a potential problem and if it is diagnose the fix as a part of your free 18 point inspection.
With the keypad back lighting still flashing repeat steps 1 and 2 above.
Reconnect one impulse transmitter after the other and check it every time by a test run.
