Troubleshooting

Why is my Floor Temperature Reading Incorrect?


If your floor temperature reading significantly varies from the actual temperature of the floor, the sensor probe and cold tail lead may be in the same conduit. Putting both in the same conduit can cause interference with the probes temperature reading, which can cause inaccuracies.

Why hasn’t my Controller activated my snowmelt system if its snowing?


When the LTC is ON, your system will not turn on if temperatures reach or drop below 5°F. When the system is on and senses the temperature drop to 5°F, the system will delay-off. 

What if the Sensor Probe Reads Higher or Lower than Actual Temperature?


In this guide, we will explore a few key factors to consider if your thermostat readings do not align with the true floor temperature. By following these steps and troubleshooting tips, you can ensure that your Warmup system provides accurate temperature control, enhancing the comfort and efficiency of your living space.

What if my TH115 Floor Heating Thermostat says system is on however the floor is not heating up?


If you installed your thermostat over 3 years ago and it seems to be functioning the same, however your floor is no longer heating up, call your electrician. Click “Read More” for details.

What if my TH115 floor heating thermostat is not turning on?


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 does “ER1” on the thermostat display mean?


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 the ‘!’ mean on my 4iE Screen?


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 HI/LO Error message mean on my COMMBOX?


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 it mean if my thermostat reads “overload” on this display?


The overload message will occur if more than 15 AMPS has been connected to the thermostat. Click “Read More” for details.

What does COMMBOX error code “SensErr 2” mean?


Error 2 “SensErr 2” will appear when the upper limit sensor is not connected or has short-circuited. Click “Read More” for details. 

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