thermostat says my batteries are weak

[Johnbuoy]

I keep getting a message every month or so that says my batteries are very weak.  At first I replaced the batteries over and over and the problem would go away.  Then I discovered that the batteries the nest was saying were weak tested out as new batteries. The saga continues that once a month I have to pull the face plate away from the base.  When I do this the message does not appear for approx one month.  This is getting to be a hassle, how can this issue be remedied?  Thanks in advance.  

[CoolingWizard]

The absolute easiest way to make that problem go away, is to activate a Power Common wire. You could do this using a nest, power, adapter, or if you have a spare wire, that’s not being used in your thermostat cable, you need to connect that spare wire to the C terminal in your nest thermostat, and then make sure it’s connected to the C terminal and your HVAC equipment. 

The AC Cooling Wizard

[Jake]

Hey Johnbuoy,

Thanks for the helpful reply CoolingWizard.

I wanted to check in and see if you managed to see CoolingWizard's post. Please let me know if you have any questions from here. I would be happy to assist, and make sure you are good to go.

Best regards,
Jake

[Jake]

Hi Johnbuoy,

I wanted to check in and see if you are still in need of any help. Please let me know, as I would be happy to assist, and answer any questions you may have.

Best regards,
Jake

[EmersonB]

Hello everyone,

@Johnbuoy, just one quick final check in here since activity has slowed down. We'll be locking the thread in the next 24 hours, but if you still need help, we would be happy to keep it open. If there's more we can do, just let us know.

I appreciate the help, CoolingWizard and Jake.

Regards,
Emerson