Changning District, automatic door repair

Changning District, automatic door repair automatic door repair 51,876,265 Shanghai - doors sometimes does not move the door sometimes does not operate, the sensor malfunction. The first step, if you use the light sensor when the detection window to check the sensor for dust, water droplets being stolen. There, I wipe it off with a soft cloth moistened with a neutral detergent. If you are using a thermal sensor, put your hands in the doldrums the neighborhood, to confirm whether it is less than the sensitivity of the sensor is to improve the sensitivity of detection to make it. The second step, the temperature checking whether the detection area close to body temperature, is proposed to replace the sensor types. The third step, if large objects forklifts, trucks and other transportation pass, there may be a need to adjust the sensing area. The fourth step is to detect power source is stable, unstable, the proposed replacement of stable power supply. As described above have been ruled out, the fault still exists, find a professional on-site testing, 24 Times repair Tel: 18964816283 (Chow) Website: http://www.shxgwx.com