Question about Honeywell RTH221B Basic Programmable Thermostat White - INC

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I have a RTH 2300 digital thermostat and I installed it and it comes on fine, just won't shut off when it reaches the temperature that I set?

Could you please help me to figure out how to get it to shut off when temperature is reached?

Posted by Anonymous on

5 Suggested Answers

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Posted on Jan 02, 2017

  • 43 Answers

SOURCE: I have an old honeywell thermostat, non

If your thermostat has a mercury bulb it has to be level to be accurate. Check and make sure it is level. If the thermostat is level as a heating tech. i would next check the amp. draw through the thermostat so I could make sure the heat anticipator is set properly. This may be more than a home owner wants to tackle.

Posted on Nov 04, 2009

heatman101
  • 43501 Answers

SOURCE: how do I set the

Hi,


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Posted on Mar 23, 2011

  • 125 Answers

SOURCE: My A/C is operating outside

With such limited information the following is the most likely problem.
1. The fan outside is running but the compressor is not.
2. The inside air handler blower fan is not working.
3. The system is froze up and not allowing any cold air to come out of the vents.
Hope this helps

Posted on Sep 20, 2011

  • 613 Answers

SOURCE: Upstairs unit will not shut off after set

Soiunds to be a faulkty Tstat or a compressor contactor welded shut.

Posted on Sep 18, 2013

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