Troubleshooting

Heater Error: What Does it Mean if my Thermostat Reads “Heater Error” on the Display?


Heater error will occur if the heating system is not properly wired to the thermostat. Please click “Read More” for details.

General installation notes for the Foil Heating System


“Draw an installation plan showing the placement of the mats, floor sensor, and lead wire(s) to the thermostat. The Warmup Foil heating system should be at least 6″” away from walls for laminate and 12″” away for carpet. “

Does the TH115 Floor Heating Thermostat have GFCI Built In?


Ground Fault protection is a must, especially with bathroom and other “wet” installations.  Are you covered?  Click “Read More” for the answer.

Connecting Your Foil Heating System


For tips for connecting and programming your system click “Read More”.

Connected to the internet and getting the 4iE ! message?


Ensure you have created your account and registered the thermostat using the Device Number. Click “Read More” for details. 

Can I Cut the Electric Floor Heating System Wire if I Have too Much?


This page explains why Warmup does not recommend you cut the wire for any reason and provides solutions to having too much cable.

Can I cut my floor heating mat if it’s too large?


Instead, try pulling the cable off the mesh and spacing the cable every 2 or 2.5 inches apart. Consult your installation manual with further questions regarding where the cable or mat can be run.

Are you getting a “Ground Fault” error after a few years?


That “Ground Fault” error on your thermostat after several years could indicate your floor heating system had been damaged during installation.  Click “Read More” to learn why.

“ER1 Out” Thermostat Reading on the 3iE Display


The “ER1 Out” error on a 3iE Thermostat indicates that the thermostat is not set up correctly. Click “Read More” for details.

What is a TDR Meter and how do I use it?


The TDR Meter is used to measure the distance to an existing fault in the wiring of your heating system. It sends an electrical pulse into the connected cable, traveling along the cable until it reaches the fault and then that pulse is sent back to the TDR. The time it took for that pulse to reach the fault and travel back is measured and converted to a distance reading that will appear on the TDR Meter.

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