A.控制板保險(xiǎn)絲燒壞B.電機(jī)插口松脫C.限位開(kāi)關(guān)線松脫
A.電源線插口松脫B.遙控指示燈閃爍,說(shuō)明電池沒(méi)電C.控制板保險(xiǎn)絲燒壞