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Had a Honeywell digital stat do the same thing (RTH5100 type stat), one of the pins on the back had come loose (pin was stuck in the sub-base when I removed the t-stat). Was able to resolder the pin to the stat.
Probly a LUX or Hunter t-stat, go for the gold with a honeywell brand or WR. luck dan
Was it a w/r touchscreen? Mine did the same thing. Replaced my stat and also added mechanical stat in return (to open "w"). No more problems.
Replaced thermostat..,no further call backs!
Originally Posted by BigBacardi mr bill...... after 14thousand posts......the red wire????? and the white wire????? OMFG...... im in trouble cause i only got a white and a black wire.....I dunno whAT to do? WELL, WHEN YOUR SOMEWHERE BETWEEN HERE AND THERE, i CAN SEE WHY YOU MIGHT USE THE BACK WIRE FOR HEAT, WAS THERE A MESSAGE HERE? Go have another Rum and Coke you will figure it out. What does post count have to do with anything? Obammy has been the President for 4 years and still don't know which end is up.
The Red and White are the obvious..,the Factory Rep. says to check the gas valve.,will let all know soon!
mr bill...... after 14thousand posts......the red wire????? and the white wire????? OMFG...... im in trouble cause i only got a white and a black wire.....I dunno whAT to do?
change the batteries. happened at my house a couple years back
I have seen this happen with w/r thermostats when the batteries go dead. I also had a humidistat bringing on the heat due to being miswired. Maybe something to check, good luck!
Could be a white Rogers t-stat. They like to do that...
i would say R is touching W
Mr. Bill is on the right track. Sounds like a thermostat program/malfunction issue or a low volt short.
Originally Posted by Cosmicmuffin Guys.,headed out tomorrow on a 3yr old Goodman furnace that customer said was running when she got home after work,temp 105 degrees in house. She says she caught it once earlier this year acting "funny". May be an intermittent problem. Any thoughts if not obvious? First thing I would do it install a digital stat, then set the temp. limit at the stat for heat, you can do this with a simple Honeywell FocusPro 5000. If this don't help, you might have the red stat wire trickling to the white somewhere from the furnace to the stat.
RUN AWAY FURNACE ! Guys.,headed out tomorrow on a 3yr old Goodman furnace that customer said was running when she got home after work,temp 105 degrees in house. She says she caught it once earlier this year acting "funny". May be an intermittent problem. Any thoughts if not obvious?
RUN AWAY FURNACE !
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