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.
0 Y  Q  D# C5 Y
2 j9 A8 l5 k, P5 sAnybody know who I should ask for help? Any garage door service company?
  R# L9 [$ S7 H% 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