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Marantec America Logic Board for Synergy Garage Door Openers

Synergy Series
Logic/Control Board Replacement

To receive an appropriate credit and replacement logic/control board, you must return the defective board with  completed RGA/CLBR forms to Marantec America.  Please refer to the owner’s manual for troubleshooting before replacing your logic/control board.

Return Guidelines

Do not accumulate more than 5 replacement boards and return all logic/control boards within 30 days of fault discovery.

Contact Marantec to request an RGA number at 1-847-478-1500. An RGA number is required in order to successfully complete your return.

The return authorization form must be completed and returned with the CLBR Form and defective control/logic board. Both of these forms are available for download below.

The manufacturing date and serial number are REQUIRED  when completing the CLBR form for logic/control board returns.  This information can be found under the lens cover. Get help finding this information

Marantec will ship replacement board at NO CHARGE, or in the case of boards that are out of warranty, they will be replaced at full price.

Marantec may perform quality tests on returned products to ensure further quality control and to verify the reason for a return.  Marantec reserves the right to approve or disapprove the retuned items based on its findings.

Do not accumulate more than 5 boards and return within 30 days of issue date to:

Marantec America Corp.

Attn: RGA Dept.

5705 Centerpoint Court, Gurnee, IL 60031

Complete your return with these two forms:

Standard Return Goods Authorization Form

Required when returning a logic board within 30 days of product fault.

Standard RGA Form

CLBR Return Form

Required form for every return of each logic board.  Available in both English and Spanish.

CLBR Return Form

Note: These forms must be downloaded to your computer and filled out with Adobe Acrobat Reader.  Please make sure to download the most recent forms from this page before submitting your return as they may be periodically updated.  If you have any questions contact us immediately.

How to replace a Synergy Series Logic/Control Board


Where to find your unit's manufacture date and serial number.

The manufacturing date and serial number are found under the lens cover. See below for an example label.  If you need more information, watch the videos below for help finding your information.

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