Nest Thermostat Says No Power To Rh Wire - Do you see on your thermostat nest a message โno power to rh wireโ or the e74 error? In my case this was caused by a clogged drain line. Using a wet dry vac to clear out the lines resolved it. This video shows how i fixed an error with my nest thermostat. Remove rh and g and connect them together with a wire nut or simply twisting together. It doesn't have to be a very good connection, it just has to be a connection. We have looked through these problems and found that a good number of nest thermostat users have encountered a problem that said the nest thermostat has no power to. We have looked through these problems and found that a good number of nest thermostat users have encountered a problem that said the nest thermostat has no power to.
Do you see on your thermostat nest a message โno power to rh wireโ or the e74 error? In my case this was caused by a clogged drain line. Using a wet dry vac to clear out the lines resolved it. This video shows how i fixed an error with my nest thermostat. Remove rh and g and connect them together with a wire nut or simply twisting together. It doesn't have to be a very good connection, it just has to be a connection. We have looked through these problems and found that a good number of nest thermostat users have encountered a problem that said the nest thermostat has no power to.