Question about Carrier Heating & Cooling
I have four of these thermostats. I have owned them for 4 years. The lights on them stopped working about 2 years ago in succession. One stopped then at a different date another and so on and so on. Is there a replacement light bulb?? the thermostats still work but when all the lights are out I cant see what the settings are on the thermostats so I have to open a light or use my phone to check them. Its just annoying.
The t-stat needs a common and a hot. I know that is simple but it doesn't hurt to ask. Do you have the 24 volts needed to operate the t-stat? If you have 18 volts that may affect the lights.
Posted on Jan 16, 2016
Most furnaces have a photo cell if it gets dirty the photo cell does not see a flame so it trips the reset button on flame failure.
Posted on May 21, 2008
you probably purchased a 4 wire thermostat which we call heat/cool you stated you have 6 wires which signifies a heat pump you have to purcahase a heat pump thermostat and then write down the color of the wires to there related spots example...yellowe-y red-r white- w and so forth also before you do this kill the power the voltage typical for residential is only 24v's but if the wires touch you could blow a fuse
Posted on Dec 15, 2008
SOURCE: Rudd furnace
You have a safety limit switch that is either bad or needs to be manually reset. Some have little buttons between the two wires going to the switch that you can push to reset. If not they are automatic switchs then one is bad. You have to do an ohms test to see if each switch is bad or good.
Posted on Jan 05, 2009
Your old stat is wired for a traditional thermostat and not a communication stat like the new infinity you have. There is a module plug on the furnace board that will need to be connected to the new thermostat for it to work. The wires that are wired now are from a terminal strip inside the furnace. Please contact your local Carrier dealer. They may be able to get that harness for you
Posted on Jan 10, 2010
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