That means there's a short circuit in the charger on your couch strap.
1, you can find the maintenance master to repair, because the maintenance of the electric sofa needs a certain technical content. 2, first check whether the joint is loose, if the joint is loose directly unplug and plug it back in.
Second, what are the reasons for the failure of the electric sofa button? 1, the loose hand will lead to the failure of the electric sofa button. 2, the joint of the electric push rod is loose, or the joint of the handle is loose, which will cause the electric sofa to have no reaction