20 Most Recent Honeywell T8112c1007 Programmable Thermostat Heat-cool Questions & Answers


Maybe that particular model Honeywell thermostat has no provision for an outdoor sensor.

Honeywell... | Answered 2 days ago


l641a1039 USE L641A1039 CYLINDER STAT. The part number has been updated.

Honeywell... | Answered 3 days ago


Some context might help. Was it working before but now has this error? If you're just installing it, had you connected it to your wifi and have the app running or .. That initially strikes me as an incorrect wiring error but, not sure how or when you're getting it.
You might want to give us some more detail to work with here.
Additionally, you might want to visit this Honeywell Support page for info as well. > https://www.honeywellhome.com/supportsearch?br={489B8F52-15F5-49DD-B283-40D30099A3A1}#q=Wi-Fi%207-Day%20Programmable%20Thermostat%20%28RTH6580WF%29

Let us know if this helps.

Honeywell... | Answered on Jan 10, 2019


NO DOUBE THE HEATING ELEMENT HAS SHORTED OUT . CHUCK IT AND BUY A NEW ONE DIFFERENT TYPE THE OIL FILLED ARE NOT ENERGY EFFICIENT

Honeywell... | Answered on Jan 10, 2019


For the T6 Pro model, I found the installation manual; search for 33-00181.pdf. I pressed Menu and + for 3 seconds to get into Advanced Mode; then Select to enter ISU ("Installer Setup"); then Select several times to get to option 425 (Adaptive Intelligent Recovery). I then pressed "-" to make the setting zero (OFF); then pressed HOME to save the setting.

Honeywell... | Answered on Jan 04, 2019


Is that a NEW thermostat? If so, not all thermostats are created equal. Some are made for gas, some for electric and some are for heat pump but ALL are different. Ones set up for electric don't have switching for electric gas valves and ones for electric and gas don't have switching for the aux. 10 Kw heat strip in a heat pump. Thermostat wiring color codes are also different. If you accidentally got a "stat" for a heat pump, the color markings for the wiring inside it may be the same but could connect to something completely different in your gas heater. Good luck.

Honeywell... | Answered on Jan 03, 2019


wrong temp? what temp is it showing? it is possible you dont have the time set properly so you are currently in your "sleep" period or wrong time period.

Honeywell... | Answered on Dec 16, 2018


You are not reading the manual. Even professionals have to read the manual. You likely are not in programming mode in the first place.

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Honeywell... | Answered on Dec 15, 2018


If you are not sure of your system type or if you have other questions, call us toll-free at 1-800-468-1502.
This thermostat works on 24 volt or 750 mV systems.
It will NOT work on multi-stage heat pump systems or
120/240 Volt systems. Call for help

Honeywell... | Answered on Dec 12, 2018

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