Air Conditioning, Heating and Plumbing - Advice, Discussion and Tips from ARS®/Rescue Rooter®.
Welcome to the ARS/Rescue Rooter Home Connect, your online resource center for information, answers and interactive advice about air conditioning, heating, plumbing and drain maintenance. As part of our commitment to providing exceptional service, we created the ARS/Rescue Rooter Home Connect to be a useful tool with many helpful ways to find what you need.
I have an ARUF024 Air Handler with a Simple Comfort 2200 thermostat. Recently the display on the thermostat started disappearing when the heat kicks on. Sometimes the heat turns off by itself, the display reads - - for a few seconds -- then the temperature registers again. Other times the heat will run forever if you don’t shut it off and hit the reset button. Do I just need a new thermostat, or is there a bigger issue? It doesn't happen every day either. Also, will a LUX Tx9000TS be a compatible replacement for this if I need to replace the thermostat?
Check and make sure the thermostat does not have a battery. Some of the digital thermostats have a small AA or AAA battery. If not, there may be a “bigger” problem, as well as a safety issue, since the furnace will not shut off. I suggest contacting a professional HVAC contractor and getting a complete heat check for the winter.
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