possible 感应器 is not in good alignment, you might touch

来源: 于 2006-09-27 07:04:48 [旧帖] [给我悄悄话] 本文已被阅读：次

it in unintension, mine is red light, yellow one may be wrong. just try to move it around to see work or not.motor is OK, if you can pull down it mannually,only the control problem.