And do not forget to install the batteries! Most units call for 2 AA batteries to operate. Make certain the batteries usually are not old, They are in place, plus the polarities are appropriate Routinely inspecting and cleansing the out of doors device can help keep the effectiveness of the https://airconditioningrepair43208.blog-kids.com/35176948/thermostat-repair-things-to-know-before-you-buy