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The button to lower the temp on my simple comfort thermostat doesn't always work. I either have to hold it down or press it several times. The other buttons work just fine. How do I fix this?

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  • 560 Answers

Replace the thermostat. Unlikely this is a serviceable part.

Posted on Nov 16, 2014

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Posted on Jan 02, 2017

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SOURCE: Temp control moves on it's own

Mine was doing the same thing and it was really frustrating! I would come home and it would be 88* inside. I found out that this model air conditoner has had problems with moisture getting in the control panel and shorting it out when it's humid outside. I have the part number if anyone wants it. It cost me about $45 from Sears Parts.

Posted on Jul 08, 2008

  • 1 Answer

SOURCE: Can not figure out how to control thermostat

If you take off the front control panel cover (simply prying off on the edge with finger) you will find 2 small buttons under the display panel, one being mode and the other being prog.

Press both simultaneously and hold down for 5 secs and the display will blink, press prog to advance to what you want to program, kinda like setting a timex watch. As I recall you can set degrees celcius or farenhight/ cycle/Hi/Lo etc.

Just keep in mind when you set using the up and down arrows:

flashing H means: at what temp do you want HEAT to kick in?

flashing C means: at what temp do you want AC (if you have it) to kick in....if no A/C fan simply blows air.

Hope that helps.

Posted on May 30, 2009

  • 22 Answers

SOURCE: Blank readings on Carrier Comfort 3 zone thermostat

The stat that works is called the main and the other two are called slave stats. The stats must be set to heat or cool the same as the main. If you want one room to cool and one to heat , sorry. Need to upgrade to auto changeover. Is this AC actally a Heat pump?

Posted on May 06, 2010

  • 1 Answer

SOURCE: Hi i have a simple

We're having exactly the same problem. I called ICM at 1-800-382-3113 and asked for tech support and they emailed the 2-page manual right away. I talked to Eric Wood, an Electrical Engineer there, and he sent it immediately. I hope this helps!

Posted on Apr 07, 2011

  • 3 Answers

SOURCE: Display is blank. Just moved in to

YES IT CAN BE THAT SIMPLE / CHANGE THE BATTS FIRST AND USE NEW ONES
NOT FROM AN OLD TOY!!

Posted on Oct 29, 2011

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I have never used central ac before - how do I set it? If it is on 75 will that cool the house? If I want it cooler, do I put it lower? like 65?


As to your question 'will 75 cool the house?' The answer is 'yes' - if the outside temperature is low enough. Typically speaking you can expect your central AC to cool a properly insulated house to a down to a temperature of about 20-25 degrees lower than the outside temperature. For example - if the outside temp is 95 degrees. You could expect to get your house down to 70-75 degrees. If the outside temp is 110 degrees then you could only expect to get the house to 85 or 90 degrees.

So .. as you can see - your 'inside' temp will be directly affected by the 'outside' temperature.

As to the operation of central air; it is very simple.

I would suggest that you not pay 'too much attention' to what you have the thermostat set on. A comfortable temperature - is a personal thing - so - I would set it somewhere - say 72 and see how I (and others in the house) was handling that setting.

If you want it 'cooler' just 'notch' it down a degree or two - if you need it a little warmer - turn it up a degree or two. Do this "fine adjusting" till you have the temperature setting you are comfortable with.

Usually the more you can leave your thermostat alone the better off you will be from a comfort position and an electrical useage standpoint. Obviously, the higher you have your thermostat set the 'less' it will cost you on your electric bill.

How high you set the temperature is a balance you have to come to based on how comfortable you want to be - matched with how much you want to hold down the electric bill.

hope this helps

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2 Answers

Thermostat resets itself to 85 degrees a couple hours after I set it to 74 degrees


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What type of Thermostat is this? If it is a Comfort Control Center, four or five button, then turn off the thermostat, hold down the mode and zone buttons at the same time and turn the tstat back on. When EE appears on the screen, then release the button and see if it begins to work. If not, then we need to check the control unit in the AC. Hopefully it is just a simple reset.

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1 Answer

Can not figure out how to control thermostat


If you take off the front control panel cover (simply prying off on the edge with finger) you will find 2 small buttons under the display panel, one being mode and the other being prog.

Press both simultaneously and hold down for 5 secs and the display will blink, press prog to advance to what you want to program, kinda like setting a timex watch. As I recall you can set degrees celcius or farenhight/ cycle/Hi/Lo etc.

Just keep in mind when you set using the up and down arrows:

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flashing C means: at what temp do you want AC (if you have it) to kick in....if no A/C fan simply blows air.

Hope that helps.

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