电动伸缩门的操作开关需要时常检查，听其位置是否正确，开关和闭合是否在适当的位置。
Operating switches of electric telescopic doors need to be checked regularly to see if their positions are correct and whether the switches and closures are in proper positions.
电动伸缩门的电动刹车，手动开关以及手动起闸装置等，也需要经常检查，避免遇到紧急情况，电动伸缩门无法正常的操作，而发生意外。
Electric brakes, manual switches and manual starting devices of electric telescopic doors also need to be checked frequently to avoid emergencies and accidents when the electric telescopic doors can not operate normally.