Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

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Our TH8000 Series Programmable Thermostat keeps flashing "change filter" even after we changed it. The guide book does not show how to re-set so the flashing stops.

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Try holding the filter button in for three seconds, if that doesn't reset the timer try the filter button and the temp. up button at the same time for three seconds.

Posted on Mar 31, 2008

Per the TH8000 user manual verbatim.

"When a Timer expires, a Reset key appears on the Home Screen. Press Rest key to reset the Timer. Notice that the "Change" reminder disappears from the thermostat screen. If more than one Timer expires at the same time, press the Reset key to reset all expired Timers."

Posted on Apr 05, 2008

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1 Answer

The word filter keeps flashing on the thermostat. Why?


Filter change indicator - will flash after 400 hours of system use as a reminder to check or change your filter. Press and hold the Filter button for 3 seconds after changing the filter to reset the filter timer. (Pressing the Filter button for less than 3 seconds will cause the Filter change indicator icon to appear. The filter timer will not be affected unless the button is held for more than 3 seconds.) Note: Clearing the Filter counter will also clear the Energy counter.

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sounds like keypad is programmed in lock position read manual for set up to activate keypad again.

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Th8000 is blowing hot instead of cold


if you have a heat pump you must go to installer set up and change the reversing vave to energize in cooling

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Mystery message "wait" appears above "following schedule" display line on our Th8000. Ac does not come on even when temperature is in range. Fan operates ok. Is "wait" setting one I can reset? Maybe a...


Mystery message "wait" appears above "following schedule" display line on our Th8000. Ac does not come on even when temperature is in range. Fan operates ok. Is "wait" setting one I can reset? Maybe a compressor issue rather than thermostat? Thanks

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1 Answer

Filter sign is showing how do we change the filter


Are you saying that the filter indicator on the thermostat screen is flashing filter? If so this feature is built into the thermostat as a reminder. It can be set for 30, 60, 90 days to remind you. It also can be turned off. Of course the air filter is in the cold air return, or blower compartment of your furnace.

Nov 18, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Th8000 does not match another thermometer inside home


Is the thermostat mounted near a lamp or other heat source?
Is the wall warm from ducts in the wall or a refrigerator on the other side?
The thermostats are usually pretty accurate. Most times I find some other influence on the thermostat causes the problem.
The Honeywell 8000 series also has a feature accessed through the installer setup menu, that will allow the temp display to be changed + or - 8 or 9 degrees.
Check the manual or Honeywell's website for a .pdf if you need it.
Hope this helps.
Matt

Jan 11, 2009 | Honeywell Electronic Programmable...

2 Answers

Non-deletable schedule in VisionPRO TH8000


The thermostat has a function called "Adaptive Intelligent Recovery".

This feature allows the thermostat to learn how long the furnace and air conditioner take to reach programmed temperature settings, so the temperature is reached at the time you set. For example: Set the Wake time to 6 am, and the temperature to 70°. The heat will come on before 6 am, so the temperature is 70° by the time you wake at 6.

You can turn off this function. Download the installation guide at the next link:
http://customer.honeywell.com/honeywell/ProductInfo.aspx/TH8321U1006
and look for funcion number 0530 Adaptive Intelligent Recovery. In this manual you also find the way to do a reset with the function number 0710.

I hope this solves your problem.

Nov 19, 2008 | Honeywell Programmable Thermostat Heater

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