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.
, e9 `  z$ v1 T
1 t/ W6 ^+ F8 ^2 v1 D4 o3 zAnybody know who I should ask for help? Any garage door service company?
7 m! n2 Z" g) W( |% D: i' I) 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