Quote:
Originally Posted by BlackHarley
We have Thumper's system installed as well. It's an ingenious system. Only one issue is if you press the wrong door opener, you can jam the doors together. A real PITA!
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I have had Thumpers screen for 10 years. It has a fail safe system built in so you can't open both doors at the same time. I have tested this numerous times over the 10 years LOL You do get a lot of blinking lights but no movement of doors. If yours move at the same time I would call them.