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How to Fix TH115 Error Message: “ER” Floor Heating Thermostat


What do you do when this message appears?  Click “Read More” for details.

How to Check the Resistance Readings of your Electric Floor Heating System


Welcome to our guide on testing the resistance of floor heating system wires using a digital multimeter. To ensure that your floor heating system will function properly, always test the resistance of your wires with a digital multimeter set to 200 ohms before, during and after installation. Let’s dive into the steps of how to check the resistance readings of your electric floor heating system to help you get started.

What Does the Control Fault Error Message Mean?


The Control Fault message might occur for several reasons. Please contact your electrician to have them test the resistance of your heating system based on the heating model that was installed in your floor using a digital multimeter set to a 200 ohms scale.

What Does the Error Message on my Tempo Mean?


If you see the floor sensor error icon on the screen it means that your thermostat has been unable to detect the temperature of the floor. Please contact Warmup.

How do I test my system using a Megger (Mega-Ohmmeter)?


The megger is used as a quality control measure to test the insulation resistance to detect any fault in the heater cable jacket. Such leaks cannot be spotted with a regular ohmmeter and help spot any damage to the cable and cable jacket.

How do I test my NAMSR self-regulating cables?


This page explains the purpose of testing your self-regulating cables and how to perform these tests.

Where do I place the sensor probe when installing in-slab cable?


The thermostats sensor probe can be installed in a number of ways and must be housed in a separate conduit from the heating systems cold tail lead. Click “Read More” for details.

What is causing my thermostat to keep tripping requiring that I press the reset button?


One reason why your thermostat keeps tripping could be that you have GFI on the thermostat and the breaker simultaneously.  Click “Read More” for details.

Why does my sensor trigger without precipitation?


This could indicate your sensor needs to be cleaned.  Click “Read More” for instructions.

My sensor just sits there. What could be wrong?


Try these simple troubleshooting tips to isolate what the issue could be.  Click “Read More” for details.

Quoting Tools: instant, accurate, flexible

Warmup offers an extensive range of electric floor systems compatible with all floor types, rooms and projects.

Indoor Systems

  • ✓ Ideal as a primary heat source for whole-house heating
  • ✓ Ideal for zones less than 250ft²
  • ✓ Ideal for single rooms
  • ✓ Does not alter floor levels
  • ✓ Great for renovations

Electric Systems Quote
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Outdoor Systems

  • ✓ Ideal for zones under 3,000ft²
  • ✓ Ideal for residential and commercial projects
  • ✓ Compatible with existing roofs & driveways
  • ✓ Works with asphalt, concrete, and pavers
  • ✓ Great for new construction

Outdoor Systems Quote
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Projects Division Consultation

  • ✓ Bespoke heating solutions for new-build projects and larger renovations
  • ✓ Dedicated team to work with you
  • ✓ Detailed system layouts for each stage of the project

Get In Touch with Warmup’s Projects Division
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