⚠
warning Honeywell
Error Code 508
WiFi not configured — WiFi connection has not been set up on the thermostat.
? What Causes This
Initial WiFi configuration was not completed.
✓ How to Fix It
Download the Resideo App and follow the steps to connect your thermostat to WiFi. See page 11 for detailed WiFi connection instructions.
Source: page 28 of the official manual
From the manual
