Marantec 4700e Problem with Travel Limits

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Old 05-22-18, 09:00 AM
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Marantec 4700e Problem with Travel Limits

After a brief power outage my Marantec 4700e garage door opener has problems opening/closing. When opening it stops at the fully open position and the lights blink, when closing it automatically reverses just as it fully closes and then the lights start to blink again. It drives the garage door down so much that there is slack on the chain because it keeps pushing. I checked for obstructions and tried to reset the limits of travel per the manual, but it won’t adjust. Any help or advice?
 
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