Nest Thermostat Says No Power To Rh Wire - If it is, trace the wire to make sure. Pull, just, just, where you got the wire going to the nest at rh, just press the little tab and take it out of rh and put it in rc. To fix an e74 error or no power to the rh wire error on your nest thermostat, check for loose connections and fix them. If that does not work, clean out the drain pipes and. One of the most common reasons for nest no power to rh wire is due to faulty wiring. Before doing anything, check if the wire connections between your nest thermostat and. Common issue when the condensate overflow sensor triggers. Need to clean the gunk out of the drains. Usually a fuse on the board near the thermostat screw terminals. I just had this issue. Do you see on your thermostat nest a message “no power to rh wire” 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. Essentially, something is most likely happening that causes the power to your thermostat to be cut entirely. Even if this is only temporary, there can be detrimental effects. Luckily, this is easy to fix—in most cases—and should resolve your nest thermostat’s rc terminal power loss problem. Please note that for power loss problems not. There must be an issue at your furnace / indoor air handler control board.
If it is, trace the wire to make sure. Pull, just, just, where you got the wire going to the nest at rh, just press the little tab and take it out of rh and put it in rc. To fix an e74 error or no power to the rh wire error on your nest thermostat, check for loose connections and fix them. If that does not work, clean out the drain pipes and. One of the most common reasons for nest no power to rh wire is due to faulty wiring. Before doing anything, check if the wire connections between your nest thermostat and. Common issue when the condensate overflow sensor triggers. Need to clean the gunk out of the drains. Usually a fuse on the board near the thermostat screw terminals. I just had this issue. Do you see on your thermostat nest a message “no power to rh wire” 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.