Questions & Answers for: Honeywell error 34

EEE error message I just replaced the batteries on my Honeywell CT3600 thermostat, and when I popped the face back on the wall, an "EEE" error message is all that appears on the display. Anyone know ...

switching thermostat from farenheit to celsius I have a Honeywell RTH7400D programmable thermostat installed and working fine, except that I cannot change the display settings from farenheit to ...

error code on thermostat says return what does error code on thermostat that says return mean what type of thermostat

my honewell th8320 is reading error 126 or 626 my honewell th8320u1008 is reading error 126 or 626. What does this mean? Look in the manual that came with the thermostat it will give you the problem ...

than 68 degree I notice that it shuts off by itself quicker. thanks Nick This unit has a diagnostic error code recorder. To play back your error codes, with the unit off, push the up arrow, down arrow

...is working, light up when buttons are pressed just keeps showing comm. Failure on screen a comm error is an error to the alarm company who is monitoring it. its not always a comm error dealing ...

...error code 34 and where may i locate a troubleshooting guide? Do you mean Check 34? Fault 34? Either of these indicates a problem with zone 34, which the location should be displayed by your keypad, ...

Honeywell 17KW generator error code 1100 Trouble code 1100 new unit will not start.Overcrank message error code 1100 You most likely have a fuel problem. Either not enough or too much pressure. What ...

Why is it showing error code 90? Sounds like a all the bells and whistles thermostat, why did you chose that one? 090 Data interface is continuously busy. A log of error codes can be viewed at the end

What does E (error) 27 mean on a Honeywell RTH6580 Programmable Hone Thermostat. Some context might help. Was it working before but now has this error? If you're just installing it, had you connected ...