Troubleshooting

Looking for help connecting your WSM-252W to WiFi? Follow along here for support.

If you believe that your floor probe readings are inaccurate or if you are getting an ER1 message, you may want to test your floor probe. Learn how-to here.

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

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.

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

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.

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.