Question about Honeywell RTH230B 5-2 Day Programmable Thermostat Large
I have a honeywell rth230b tstat. while on a 6 day trip, i came home ot find the heat running nonstop and a temp of over 99 degrees. The display was blank. I took off and changed the batteries (there was never a low batt warning), and the heater finally shut off. (Packaged Furnace/Air Conditioner, Gas/Electric). Now the heater won't come on even though temp is under setting programmed. Itook off and tried the red/white wire trick, and heat did not come on. What kind of problem does that indicate?
Please go to the link and check graph "2.5 Installing the Batteries". Its really easy so it should be a piece of cake.https://customer.honeywell.com/resources/techlit/TechLitDocuments/69-0000s/69-1800.pdf
Posted on Mar 30, 2014
Testimonial: "i already stated in my initial post that I changed the batteries. The heat is not coming on though, and the temp is below the setting temp. when i turn on the fan, it blows cold air. when it's set to AUTO, it doesnt even turn on."
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Posted on Jan 02, 2017
make sure the system switch is in the cool position, then press run program button and allow a couple of minutes for system to cycle on, if it doesn't come on press the button for lowering the set point, set it to 72 degrees and then press the hold temperature key.
Posted on Jul 26, 2009
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