Garage door problem

SOCOLD

Something wrong with our garage door this morning~ Tried many times, but unable to shut down the door.Never happened before.
" B$ P9 D( q" o: ^: ?8 _
9 n( u% h. g: B; \8 ~Anybody know who I should ask for help? Any garage door service company?
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yanngoyan

首先看看门两边红外线发射和接收之间有没有杂物阻挡。

ayakao

may be  outside  too cold, try hand force pull down ,it works for my garage door