Clear away the batteries from inside the chamber and inspect the steel contacts on the battery chamber. If the thing is Dust around the contacts, clean up them with a cotton swab dipped in isopropyl Alcoholic beverages. Remove dirt buildup from the batteries likewise. Sensor Declare: We cannot Get in http://lloyd-ac-service-center-p25813.blogsidea.com/10333565/getting-my-lloyd-service-center-pune-to-work