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W5 error problem, have tried all the troubleshooting suggestions but nothing works. Please help

nas_analog
Community Member
My Nest Thermostat has the reported "w5 error" and cannot connect to WiFi. It does not even detect the WiFi. Have tried all suggestions (restart and reset both the router and Nest Thermostat) and still won’t connect to WiFi. None of my other nest thermostats have issues connecting. Please help.
 
161 REPLIES 161

dnkilgo
Community Member

I HAVE THE SAME PROBLEM WITH A NEST GEN 4 THAT WAS PURCHASED OCT 2022

dnkilgo
Community Member

SAME ISSUE HERE, W5 ERROR CODE AND CANNOT DETECT ANY NETWORKS.  THE UNIT IS LESS THAN 1 YEAR INSERVICE