Look up in Google nest community fix for error message H71 you will find
it I am new and don't know how to post for every body to see I help you
you help me learn to post without floating the Post ok. Link to @@
Error message H71 Fix the problemSelect your thermostat below, then
select the code that you see on your thermostat for specific
troubleshooting steps to fix the issue. If you don’t see an error code
on your thermostat, please search our library of h...