Troubleshooting

What is the difference between a Watch Dog and an Alligator?


It is important to test underfloor heating cables before, during, and after installation with the proper equipment. Read on here for our recommendations.

Sensor not Triggering may be Low Temperature Cutoff


You may need to change the setting for the “Low Temperature Cutoff – LTC.”  Click “Read More” for an explanation.

ER1 on the Thermostat Meaning


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.

Reset or Power Cycle my 4iE?


First, loosen the screws at the bottom of your unit at shown in the video clip below. Then remove the face of your thermostat by lifting up and off. On the back of the face is a small reset button. Using a small screw driver or writing utensil, press and hold the reset button for 15 seconds. Then place the face of the unit back on making sure the 8 gold pins line up correctly with their counterparts.

Why is my 4iE Showing an ‘!’ on the Screen?


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

How can I keep my relay from being loud or buzzing?


All relays ‘buzz’. A good example is the transformers for low voltage lighting in the house. When the room is quiet, you can hear the humming of the transformer or relay. Click “Read More” for details.

TH115 Floor Heating Thermostat Keeps Tripping


One reason your floor heating system keeps tripping has to do with whether you have multiple GFCI protection. Click “Read More” to get the details.

Can I use the TH115 Floor Heating Thermostat with Other Floor Heating Systems?


While this might be an option, caution should be exercised.  Click “Read More” for an explanation.

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


Learn how to troubleshoot the ‘ER’ error message on the TH115 floor heating thermostat: check connections and sensor resistance for proper operation.

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


If you purchased a Digital Multimeter from Warmup you will have 2 connectors. Please make sure that the contacts that will be plugged into the multi-meter are properly exposed.

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