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Honeywell VisionPro TH8000 touch screen will not allow changes to the schedule. Screen is unlocked and not in cleaning mode

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  • kriskleyer Sep 27, 2008

    thanks....but I can't even get the screen to go into set up mode. The whole left side of the screen is not operational

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In the set up mode are you sure the lock was not turned on. The set up mode has a different book for the installer. Do you have the book if not check with Honeywell or let me know.

Posted on Sep 27, 2008

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1 Answer

Why is screen showing EE and will not respond to touch?


The replacement batteries could be defective or installed incorrectly. Also, the thermostat could have been reinstalled incorrectly after battery replacement.

Dec 22, 2015 | Honeywell VisionPRO 8000 Programmable...

1 Answer

Is there a battery in the t8000c thermostat the screen is blank


There should be a couple of AAA batts in it. Grab all 4 corners and pull straight out & off the mounting plate. If no batteries are installed it is hard wired & the problem is at the air handler(blown blade fuse or open transformer winding). When you reinstall batteries make sure there is no corrosion. And careful when you put the tstat back onto the base. There are some small pins that need to align with its holes/terminals. Honeywell has a great 1-800 support #. Should be on the tstat.

Jun 28, 2015 | Honeywell TH8320U1008 VisionPRO 8000...

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Honeywell VisionPRO IAQ thermostat. No back light. Screen shows characters, but dim. When touched, back light fails to work. All other systems function okay.


this control has an option for back light display in the set up menu. if it has never worked this may be the problem. if it did work then quit you should replace the t-stat. there are many different models as they have advanced over the years. this is a great control. see if you can find the set up manual

Oct 12, 2013 | Honeywell YTH9421C1002 VisionPRO IAQ...

1 Answer

Our visionpro 8000 thermostat has adjusted its day. It is currently one day ahead. We have misplaced our manual and we cannot seem to get the day to change. Suggestions?


This site has owners manuals for different types of thermostats. http://yourhome.honeywell.com/home/Products/Thermostats/7-Day-Programmable/VisionPRO+8000.htm
This site is the manual for the "VisionPro 8000". You can look up what you need, copy or download. http://customer.honeywell.com/techlit/pdf/PackedLit/69-1894EFS.pdf Roger

Apr 07, 2011 | Honeywell Heating & Cooling

1 Answer

My thermostat is not working. It might be locked. It's blinking with all of the information it holds flashing on the screen. The part number is: tstatccnhp01-c My heat is no longer working. Can you...


Instructions
  1. 1 Unlock a partially locked screen by pressing any locked key, which will bring up the "Screen Locked" message. Next press an unlocked key, which will likely be the temperature up and down arrow keys. This will unlock the screen.
  2. 2 Press the "System" key from the home screen. Five blank touch keys, flanked by the "Done" and "Cancel" keys, will appear. Hold down the middle key for about five seconds. The Advanced Settings menu should come up.
  3. 3 Change the User Setup Number, found in the bottom left of the screen, by pressing the middle arrow keys up or down. Set the number to "0670," the universal unlock code.
  4. 4 Turn to the arrow keys on the right side of the screen. Press the keys up or down to change your options. Selecting the number "0" will unlock the screen, while choosing "1" will partially lock it. You can fully lock your screen again by selecting.


Read more: How to Unlock the Screen on a Honeywell Thermostat ' eHow.com http://www.ehow.com/how_7667347_unlock-screen-honeywell-thermostat.html#ixzz19ktDWSq8

Jan 01, 2011 | Heating & Cooling

1 Answer

Want to replace a T874R1434 thermostat with aux heat with a visionpro th8000. Have a blue wire connected to the B terminal on old thermostat and what looks like a brown wire connected to the X terminal on...


Its kinda difficult to know exactly what the wires could go to considering its all in the way the technician decided to hook them up and everybody has different ideas. I can tell you the most common use of the colors and see if that helps. Depending on how many wires your system has,
Red=Power
White=Heat
Yellow=Cooling/AC
Green=Fan
Blue=Common/Ground
Brown=Heat

Black and Orange wires alternate a lot with different HVAC techs, but usually go to a heat pump system outside.

The best way to get a grip on what wires go where is to look inside the furnace and see where they go. If you have a electrical board, it gets a lot easier, and the back of the furnace door usually has wiring diagrams that are pretty up front about the wiring. Just keep in mind that the wires could have been changed from the thermostat to the furnace, but you can usually tell if the wires seem different. Hope this helps some and good luck!

Jun 13, 2010 | Ruud UBHC Air Conditioner

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Our air conditioning was working during the day. when one family member turned the air up from 72 to 75 she saw the screen process what she wanted and walked away. when another family member went to turn...


open the thermostat and look for batteries, 3 AA
http://www.heater-home.com/photos/2129-5b.jpg


http://www.heater-home.com/manuals/th8321u1006manual.pdf

Jun 13, 2008 | Honeywell Heating & Cooling

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