Ecobee ecobee Smart Thermostat Enhanced with Radar Occupancy Sensor and Large Touchscreen WIFI-SETUP Error Fix: Unable to Connect During Setup

Error code WIFI-SETUP on the Ecobee ecobee Smart Thermostat Enhanced with Radar Occupancy Sensor and Large Touchscreen means: Unable to Connect During Setup. The thermostat cannot connect to Wi-Fi during initial setup — ecobee requires a 2.4GHz WPA/WPA2 network; check that the SSID is not hidden, WPA3-only mode is disabled, and the router is not blocking new devices; move the router closer temporarily if signal is weak

The most successful fix is "Reset Thermostat and Reconfigure Network with Firmware Update" (medium difficulty, ~45 minutes). Estimated DIY cost: $5-$20. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Reset Thermostat and Reconfigure Network with Firmware Update") is rated medium difficulty and takes about 45 minutes. Tools needed: Small flathead screwdriver (to access thermostat if needed), Smartphone or tablet.

DIY cost: $5-$20. Professional repair typically costs $120-$180. Many homeowners save money by trying the top-ranked community fix first.

The Ecobee ecobee Smart Thermostat Enhanced with Radar Occupancy Sensor and Large Touchscreen has 8 other known error codes, including: APP-SYNC (App and Thermostat Out of Sync), AUX-OUTDOOR (Auxiliary Heat Outdoor Temperature Alert), AUX-RUNTIME (Auxiliary Heat Runtime Alert), BLOWN-FUSE (HVAC Control Board Fuse Blown), COOL-FAIL (Cool Not Reaching Set Temperature), and 3 more.

Error code WIFI-SETUP also appears on 5 other Ecobee models: ecobee Smart Thermostat Essential with Touchscreen Display and eco+ Smart Features, ecobee Smart Thermostat Premium with Siri and Alexa Built-In, Air Quality Monitor, and SmartSensor Included, ecobee SmartThermostat with Voice Control and Alexa Built-In, ecobee3 Lite Smart Thermostat, ecobee4 Smart Thermostat. The fix may vary by model, so check each model's specific page for tailored repair steps.