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.
4 r; F, b* O; m$ f
Anybody know who I should ask for help? Any garage door service company?
  U6 Y4 L6 _/ h4 W
% b  T% y  K, q  @+ ^  W

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