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.
2 m( l5 c: c& B% F/ |
Anybody know who I should ask for help? Any garage door service company?
2 b* h8 Z, x2 K* M
2 J5 S  s2 D# s7 z

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