https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/80083#M17883 <P>The yellow wire on the Y terminal controls your A/C.&nbsp; Pull the Nest off and make sure the yellow wire is firmly seated in the connector and does not have the bare part of the wire touching anything else.</P> Mon, 10 Jan 2022 02:27:18 GMT johnCNA 2022-01-10T02:27:18Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/79770#M17815 <P>Guessing it’s a wiring issue. &nbsp;Here is what old thermostat looked like.&nbsp;<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Old therm" style="width: 999px;"><img src="https://www.googlenestcommunity.com/t5/image/serverpage/image-id/4233i7A3489C6DBF00C05/image-size/large/is-moderation-mode/true?v=v2&amp;px=999" role="button" title="81DD01D3-B040-420D-9373-3DAFAC7F66DC.jpeg" alt="Old therm" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">Old therm</span></span></P> Sun, 09 Jan 2022 17:31:38 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/79770#M17815 Comerbd 2022-01-09T17:31:38Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/80083#M17883 <P>The yellow wire on the Y terminal controls your A/C.&nbsp; Pull the Nest off and make sure the yellow wire is firmly seated in the connector and does not have the bare part of the wire touching anything else.</P> Mon, 10 Jan 2022 02:27:18 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/80083#M17883 johnCNA 2022-01-10T02:27:18Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/80192#M17895 <P>The Y terminal and all the others are firmly seated and not touching other wires. I went through install again after resetting the nest but same thing occurs. &nbsp;AC starts but clicks and bangs using the nest. &nbsp;Works perfectly with current thermostat&nbsp;</P> Mon, 10 Jan 2022 12:36:55 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/80192#M17895 Comerbd 2022-01-10T12:36:55Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/81902#M18261 <P>I think it’s a crime that Google does not have a support line to address new install issues for their product. Looks like I should buy smart home products from a company that cares and supports customers.</P> Wed, 12 Jan 2022 13:35:51 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/81902#M18261 Comerbd 2022-01-12T13:35:51Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/81904#M18262 <P>Have you tried the actual support site Contact Us option?</P><P><A href="https://support.google.com/googlenest/gethelp" target="_blank">https://support.google.com/googlenest/gethelp</A></P><P>&nbsp;</P> Wed, 12 Jan 2022 13:41:59 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/New-install-not-working-right-A-C-clicking/m-p/81904#M18262 johnCNA 2022-01-12T13:41:59Z