Honeywell CT3600 7 Day Electronic Programmable Thermostat Heater "thermostat th8320u1008 problems" Questions

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 for each code

...TH8320U1008 Thermostat I have a Florida Geo heat pump 2 stage with no aux.heat. It is controlled by a Zone Perfect Two-Zone Unit hooked up to two Totaline P274-0300-C thermostats. Everything works ...

TH8320U1008 Honeywell touch screen thermostat temp will adjust with down arrow but not with the up arrow Hi, Whoa, that stinks..... I think that is the first problem I have seen with those t-stats... ...

...TH8320U1008 programmable thermostat with the 2006 Affinity York V Series. Changed 3 AAA alkaline batteries after LO BATT and furnace worked for a day. Took off face again next day and tighted the ...