The first items on the checklist would be to ensure that the breaker is on and that power is being supplied to the unit. Click” Read More” for details.
What if my TH115 floor heating thermostat is not turning on? Read More »
The ER1 message will also occur if no floor sensor is connected to the thermostat. Have your electrician make sure that the sensor probe wires are securely connected in ports 1 and 2 of the thermostat. If sensor was not installed, your thermostat can be programmed to read the air temperature instead by following the steps below.
What does “ER1” on the thermostat display mean? Read More »
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.
What does the ‘!’ mean on my 4iE Screen? Read More »
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.
What Does the HI/LO Error message mean on my COMMBOX? Read More »
The overload message will occur if more than 15 AMPS has been connected to the thermostat. Click “Read More” for details.
What does it mean if my thermostat reads “overload” on this display? Read More »
Error 2 “SensErr 2” will appear when the upper limit sensor is not connected or has short-circuited. Click “Read More” for details.
What does COMMBOX error code “SensErr 2” mean? Read More »
Error 1 “SensErr 1” will appear when there is a communication error with one (or more) snow sensors. Click “Read More” for details.
What does COMMBOX error code “SensErr 1” mean? Read More »
Please click “Read More” for instructions on how to un-mount your thermostat
Un-Mounting Your Thermostat Read More »
The ER2 message will occur if the floor sensor has a short circuit or has a loose connection. Click “read More” for details.
Thermostat Reads Error Message “ER2” on the Display? Read More »
What do you do when this message appears? Click “Read More” for details.
TH115 Floor Heating Thermostat Error Message: LO Read More »
Warmup offers an extensive range of electric floor systems compatible with all floor types, rooms and projects.
