Question about Honeywell TH2110D1009 PRO 2000 Programmable Thermostat, Heat/Cool or Heat Pump

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Honeywell pro 2000 thermostat

Ambient temperature stays the same on the display even though the temperature in the house varies. Just had this installed.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 85 Answers

SOURCE: my honeywell thermostat Modle: RTH7500D

If your manualy setting the program and it kicks itself off, then your therm is bad, look for your warranty paperwork, or call the distributer and give them model and serial, they can point you in the right direction. If your setting a temp and not manualy holding, then it will set back by default. Check your other settings, ensure they work as well..

Posted on Dec 05, 2008

  • 118 Answers

SOURCE: Honeywell thermostat not lowering temperature

remove batteries let sit a few minutes reinstall.
if still bad replace they are not servicable

Posted on Oct 28, 2009

Testimonial: "Thanks a lot for your help. I'll try that -- very simple!"

heatman101
  • 43501 Answers

SOURCE: Incorrect ambient temperature on Honeywell Model RTH221B

Check in your manual for the thermostat. By pushing a combination of buttons you can get into the advanced installer menu. From there you can make an adjustment to correct the temperature.

Posted on Nov 12, 2009

shastalaker7
  • 1515 Answers

SOURCE: I had a new thermostat installed was not working

Hi, even though Honeywell do make good products, I would return this heat only stat and replace it with a heat/cool stat even though you have heat only. If you want to stay with the mechanical style stat, I would go with a white Rodgers 1F56-444 mechanical stat. Inexpensive but good quality. When you wire one with cooling on it, you will see on the new stat terminals such as Rh and Rc, W, G, Y, and some with O and B. The Rc and Rh will have a jumper wire connecting the two. Leave it on! If you have 2 wires maybe a red and white, connect the red to either one of the R terminals as the are connected. The white will go to W for heat. If you have 3 wires and the third is green, it will go to the G terminal. If not, no worries. In cooling the Y is for compressor, G for fan and Heating W for heat. Red is you're 24 volts. Get rid of that stat and get a good one. If you do go with the white Rodgers and you find the temperature does not match the room temperature on the cover of the new stat, you can adjust the needle pointer on the cover of the new stat to the exact room temperature. This is what I recommend to you. It will solve your headaches. There is a small screw slot on the back cover for this adjustment.
Keep me posted on the out come.
Sincerely,
Shastalaker7

Posted on Jan 18, 2010

  • 98 Answers

SOURCE: I have a Honeywell programmable Thermostat (an

What is the model number of the thermostat? What may be happening is the humidity control is trying to satisfy the humidity setting by running the a/c. In the installers set-up, there should be a setting to determine how long the system should run to satisfy humidity setting. I typically set thermostats for a 3 degree droop. Meaning it'll only drop 3 degrees below set temp. Also check your humidity setting to be sure it's not set too low. It should be set between 45% and 50%.

Posted on May 09, 2010

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Hopefully you did not throw away the instruction manual for your t-stat.. :-)

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