Turn off the power to your heating and cooling system at your breaker. Another reason why theres no power to the thermostat could be due to a bad transformer or even a faulty wire running from the thermostat to the transformer.
The Smart Thermostat C Wire Explained What If You Don T
No power to nest thermostat. I have a bryant model 561cj060 h ac. There is a breaker box attached to it on the wall outside. The thermostat says there is no power to the rc wire. I just installed a nest thermostat. You may need to. When x w1 or w2 is an aux wire.
You should verify that the x wire on the old thermostat is not a common wire. Nails pests like mice and rats and corrosion can all be a contributing factor. Some heat pump installations may have the auxiliary heat connection labelled as x w1 or w2 on the thermostat. If there is a common wire installed the nest thermostat will not power share. If your system works as it should with your old thermostat your nest thermostat may be damaged and needs to be replaced. Your thermostat should pop.
Remove the wire in the w1 terminal straighten it and put it back in as far as it will go. Turn off power to your system at the breaker box or system switch. I had to turn read more. Grip the metal ring of your thermostat and pull it gently towards you away from the wall.
Gallery of No Power To Nest Thermostat
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