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.
3 |. u! S. J& S+ X7 I
Anybody know who I should ask for help? Any garage door service company?
% E  }4 X" t, v) E) |0 @! D

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