Dear Ms. TCP Matsuda:I am always taken care of.Because I finished the check of the seat shutter and correction today, I report it.■When I entered alone, an air shower does not operate■When I entered alone, an opposite door becomes vacant■About the malfunction such as a seat shutter becoming vacant when there is not a person nearIt is installation ました to a device computer part with the microchip which I programed again.I examined it without several degrees, but normalcy works now afterwards.I think that it is the input mistake of the initial program.In addition, the sensor detection range becomes the maximum (approximately 2.4m) that I can regulate with a dial now.Because current sensor mounting location is got in the point of 2.5m, it is adjustable to around 1m at the minimum.In addition, I will visit it again tomorrow, and the matter that the fixed screw of the limit switch of the lower seat is against attaches a stainless steel makeup nut and the spring washer.Thank you very much for your help.