How to Fix Nest x Yale Lock Not Opening if No Power

Authored by: Support.com Tech Pro Team

1. Introduction

In This Guide

You'll Learn How To:

  • Fix issues on a Nest x Yale lock.

Before We Begin:

  • Have the Nest app installed on your smartphone or tablet.
  • Have your Wi-Fi network name and password available.
Nest x Yale

2. Temporary Power To Unlock

If the keypad will not light, but is locked, it's possible the batteries in the lock have been drained.

As a temporary fix, you can use an external battery to enter your home. Then you can replace the batteries.

  1. Acquire a 9-Volt battery. These are the square ones with terminals on the top.
9-Volt Battery
  1. Hold the battery to the two terminals at the bottom of your lock.
Holding battery to bottom of lock.
  1. The keypad will light up, and will say "Press the Yale logo to begin. The batteries are very low. Replace the batteries now."
Keypad lighted up.
  1. Do not remove the battery you are holding to the lock, it is currently powering the lock.
  2. Press the Yale logo, then enter your code, then press the checkmark.
  3. Your door will unlock.Once you hear the door unlock, it is safe to release the battery.

3. Replace Batteries

  1. Insert a thin, sturdy rod into the top of the lock, such as the special key included with the lock, or a thumbtack.
Keying open the battery cover.
  1. You will see the 4 AA batteries.
Battery cover removed.
  1. Replace the four AA batteries.
Four AA Batteries
  1. Make sure the batteries are going in the right direction.

4. What's next?