Questions & Answers for: Lennox thermostat manuals

lennox 8 series ms8-z0-2ap3a error code H1, defrost operation the manual says this is a normal defrost operation, but the system has been down for almost 3 hours. How do we reset? Is further action ...

...light I have a newer high-efficiency 95% AFUE Lennox Signature Series gas furnace. Even though the thermostat/control says it's running, it isn't. The furnace doesn't light and the

I have a Lennox icomfort thermostat control. It was working fine until about 1 day ago and now it has lost the wi-fi connection and I can't re-establish the connection. We haven't had any changes to ...

...whatever we had last set. Any suggestions? Go to the unit locate the control module. Take wires to thermostat out. Now jump from R to Y your AC should come on. Jump R to W your heat should come on. ...

Keeps furnace running What do I need to do to get thermostat to give correct temperature so furnace shuts off? Replace battery in tstat

Display not showing schedule or hold buttons After reinstalling the thermostat the schedule and hold buttons are not displayed on the touch screen. Otherwise seems to work. how old are the batteries?

...AAA batteries. Pull it straight off the wall. Look at the back of the thermostat and replace the three batteries. Link to manual.. ...

I cant get the thermostat to go up past 70. How do I fix this? BUY A NEW THERMOSTAT

...stuck in closed position, stat not sending correct signal to fan. If its easy for you to snap the thermostat off of the sub-base, consider trying that. If the fan stays in operation, that will ...

...emergency heat. I would like to transition it to straight cool with strip heat. How do I rewire the thermostat. Curently honeywell RTH5160D1003 thermostat is wired as follows Yellow to Y Green to ...