Home / Troubleshooting / Energy-Monitoring Thermostat

“ER1 Out” Thermostat Reading on the Display

Energy-Monitoring Thermostat

ER1 Out

The ER1 Out reading means that the thermostat is not set up correctly. Certainly, this is a simple fix.

Fix the Issue

Go to Menu > Settings > Advance settings > Probes > External > Select “No Function”.

Back to Warmupedia


Further Questions?