Questions & Answers for: honeywell rth230b shut

need help with rth230b T-stat has worked fine for 2years now. Recent problem is that program 3 is set for 70 but temp will not rise above 63. Furnace turns on but shuts off after about 1 minute. ...

honeywell rth230b won't shut off heat I have Honeywell RTH230B programmable thermostats installed. They have been working fine for months. Now, they occasionally fail to turn off the furnace - and the

temp shows 2 degrees warmer than what is was set to our rth230b was installed one month ago.we did not program it because we are retired and at home most of the day.we set the heat at 73 degrees,the ...

...tried to replace the thermostat. Now the heater wants to run continuously. It is a new Honeywell thermostat model RTH230B check the wire to the thermometor then if the wire is ok replace the ...

RTH230B display just went blank won't come on even with new batteries. The fan comes on when put to the ON position. what to do.Please help if you can, 2 cold kids and a sick mom.. :) Sounds like a ...

...Honeywell thermostat RTH230B. When we shut it off and leave off for 15 mins and turn back on, it would fix the furnace but not fixing it now. Sounds like either the flame sensor is not working. The ...

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

Honeywell RTH230B, replaced batteries and now the heat comes on but just continues to climb. 105 to be exact by the time I came home and shut it off. Batteries did die and this happened after they ...

Honeywell RTH230B flashes a snowflake them the fan shuts off and Hello, the snowflake flashing is a (supposed to be) 5 minute delay to prevent short cycling of the compressor. This delay can sometimes