Question about Honeywell Programmable Thermostat Heater

2 Answers

I can't program my thermstat

Central heat programmable honeywell, model RTH230B. YU=ou will have to type your answer as my voice on computer isn't working.

Posted by Shirl Faye on

  • 1 more comment 
  • Sharonwern Dec 01, 2007

    I cannot remove the cover from my thermostat to read the model number.

  • Anonymous Jan 18, 2009

    rth2310 not working as programmed

  • cd21234 Mar 18, 2009

    I am having trouble programing the RTH230B. I need to be able to overide the defaults.

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Go to www.honeywell.com. There you will find a search tab. Type in the exact model number of your thermostat. You will be able to download the installation/owners manual.

Posted on Nov 30, 2007

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joeasher1

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I need a digram on programing the honeywell rth230b I dont have
any insturction

Posted on Dec 01, 2008

  • joeasher1 Dec 01, 2008

    I need in struction on how to program honeywell rth230b

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1answer

Have a honeywell RTH230b and this morning the display on the thermostat is flashing a house with a 4 inside the outline of the house and the heat is at 63 We had it set at 70. This is a 205 model

The Honeywell RTH230B indicates that the system is running the overnight (sleep) program with the 4 inside the house symbol. When the house flashes, the desired temperature has been changed from that programmed temperature (bypass mode). The bypass mode should only run for 2 hours.

The default programming starts the sleep period at 10 P.M. and ends at 6 A.M. On the original program in the thermostat, the temperature target was set to 62 during the heating season and 82 for the air conditioning season.

Since the thermostat was set to bypass, you should check who in your house pressed the Up/Down buttons on the thermostat to change the house temperature. Beyond that, check the start and end times and the programmed temperatures for each scheduled period. Honeywell has the manual for the RTH230B here: https://customer.honeywell.com/resources/techlit/TechLitDocuments/69-0000s/69-1800.pdf .

I hope this helps

Cindy Wells
(On my own programmable thermostat, we recently found that one period in the week had been left at the default setting. Thus the thermostat was programmed to maintain 60 degrees when we wanted 65 during the day.)
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New instruction manual for RTH230B

Do you mean the Honeywell RTH230B programmable thermostat? Most of the Honeywell thermostat manuals are available here: http://yourhome.honeywell.com/en/faqs/thermostat . Scroll through the pages to find the RTH230B or use the search feature. The search engine found the installation and user guide in three different languages, see https://yourhome.honeywell.com/en/supportsearch#q=Rth230b . The direct link to the manual in English is https://customer.honeywell.com/resources/techlit/TechLitDocuments/69-0000s/69-1800.pdf .

I hope this helps.

Cindy Wells
0helpful
1answer

Heat not coming on. battery died.

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
0helpful
4answers

I replaced the battery to honeywell RTH230B. Heat won't turn on.

I followed a comment from a previous source and reversed the polarity of the batteries. I then flipped them back to the correct position and the flashing battery indicator went away and the thermostat functions correctly.
0helpful
1answer

I have a Honeywell programable RTH230B. I changed

HONEYWELL WEBSITE:
Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
Type in thermostat model number
Click on arrow to right
Then click on the PDF files owners manual / installation instructions
If you can’t find what you want, the bottom left and bottom of web
Page, they have homeowners assistance and Home products to get the help you need.
1helpful
1answer

Honeywell RTH230B

This my situation exactly.  Changing from a 6 wire manual round Honeywell thermostat to a 5 wire Honeywell programable.  Is there a way to maintain all functions?
1helpful
1answer

Model RTH230B uses a lot of batteries

THIS TYPE has been deemed defective! changeout to a different type.
1helpful
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Honeywell ST6400C programmer

Hi yes sound like it not working on hot water only it would check ou the wiring on this side
0helpful
1answer

Honeywell Programmable Eletronic Thermostat model RTH230B

There are so many products, we cannot help without the model no. Try typing 'Honeywell programmable electronic thermostat' into google and searching for an image of your thermostat, then get the model no. Then you might be able to get some help.
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