'changed batteries in thermostat and now nothing works. HELP!

Asked by Peggy Wilson on 11/30/2013 1  Answer

ManualsOnline posted an answer 11 years ago

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5 Did it work before you change the batteries? If not you have a low voltage short somewhere and possibly a burnt low voltage fuse and if you don't have a fuse in the low voltage side of system then you have a burnt out transformer could also be a faulty drain pan float switch
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