https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-heat-works/m-p/102987#M22936 <P>My heat works great when I turn it to the AC it comes on and immediately shuts off after 30 seconds</P> Wed, 09 Feb 2022 23:08:27 GMT Nmc862 2022-02-09T23:08:27Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-heat-works/m-p/102987#M22936 <P>My heat works great when I turn it to the AC it comes on and immediately shuts off after 30 seconds</P> Wed, 09 Feb 2022 23:08:27 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-heat-works/m-p/102987#M22936 Nmc862 2022-02-09T23:08:27Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-heat-works/m-p/397715#M85550 <P>Same thing is happening to me. I’ve tried switching Y and W wires like another post suggested but my system just tries</P><P>to go on for the AC and it immediately shuts down. The Nest just goes back to a “countdown to cool” and tries again 2 min later.&nbsp;</P> Wed, 12 Apr 2023 22:57:29 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-heat-works/m-p/397715#M85550 Invicta 2023-04-12T22:57:29Z