This may also mean that you have not yet registered the actual thermostat under your location as a room. Please make sure you have added a room, which requires you to enter the thermostats unique device number to fully register.
Troubleshooting
The HI/LO error message means that the ambient sensor readings (on snow sensor) are out of reliable measuring range. Click “Read More” for details.
The overload message will occur if more than 15 AMPS has been connected to the thermostat. Click “Read More” for details.
Error 2 “SensErr 2” will appear when the upper limit sensor is not connected or has short-circuited. Click “Read More” for details.
Error 1 “SensErr 1” will appear when there is a communication error with one (or more) snow sensors. Click “Read More” for details.
Please click “Read More” for instructions on how to un-mount your thermostat
The ER2 message will occur if the floor sensor has a short circuit or has a loose connection. Click “read More” for details.
What do you do when this message appears? Click “Read More” for details.
What do you do when this message appears? Click “Read More” for details.
Using self-lever or thinset depends on the type of flooring being installed and preference.