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    Saghen01's Avatar
    Saghen01 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 8, 2015, 05:25 AM
    Low battery without indication - faults
    I have a programmable Honeywell themstat . When I set it up to HOLD temperature at 76f , it works but later the setting falls to 71f buy it self. I have no indication of low battery. Could this be due to low batteries? ( my batteries are about a year old)
    I have changed the batteries now.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Jan 8, 2015, 03:58 PM
    Sounds like it is defaulting to another program. Does you have a regular program running? If you give me the model unumber I can show you how to clear the program out.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Jan 8, 2015, 06:36 PM
    BTW most thermostat installation manual recommend replacing the battery every year so do that too.
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