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How to Fix the ER2 Error on a 7iE Thermostat


An ER2 Error message indicates that the floor probe attached to your 7iE Thermostat was wired into the wrong ports on the back of the thermostat.

Video Instructions

The video below will visually walk you through how to resolve the ER2 Error on your 7iE Thermostat:

 

Written Instructions

To resolve the ER2 Error message on your Warmup 7iE Smart Thermostat, start by pressing the 3 bars at the bottom of the screen to access the menu. Next, press “Settings,” “Advanced Settings,” and then “Sensors & Application.”

Then, press the switch next to the “Swap Probe Usage” setting. Press the “Back” button to return to the home screen.

When you return to the home screen, you should see that the ER2 message on the screen has been replaced with the temperature. If the error persists after changing this setting, contact Warmup to troubleshoot further.

 

For Further Assistance

For more 7iE Instructional Videos, check out our playlist on YouTube.

If you have any additional questions or concerns, please don’t hesitate to reach out to us. Our support team is available to assist you and address any inquiries you may have. To access our support services, simply call us at (888) 927-6333.


Thermostats
Underfloor Heating Thermostats
Electric Systems
Heated Floors

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