# Smart Module Troubleshooting > If you run into issues with your Yale Smart Module, the following troubleshooting tips should be helpful. The article How to Install a Yale Smart Module pr... Source: https://support.shopyalehome.com/en_us/smart-module-troubleshooting-HJz6VjGuE Last updated: 2022-09-01T00:36:13.220Z If you run into issues with your Yale Smart Module, the following troubleshooting tips should be helpful. The article [How to Install a Yale Smart Module](https://support.shopyalehome.com/how-to-install-the-network-module-SJ_jHDK8B) provides information and visuals to assist with installation. ## Module Communication Error when trying to connect to lock Any time your module is removed from the lock, your lock must be restarted with the module installed. If the module is not properly seated in the lock, you may receive a Module Communication Error or the number 7 will not appear in the programming menu. In the event that this happens: 1. Remove one battery from the lock. 2. Wait 10 seconds, then reinsert the Yale Access module. 3. Replace the battery. 4. Listen carefully for lock sounds as it powers back up. You should see the lock state appear behind the pop-up message. If it does, tap “Do Nothing” and you can control the lock without any issues. ## Installing the module again does not create a connection to the lock You may want to make sure that your module is registered to your lock. The registration procedure depends on the module you are using and the lock you have it installed in. #### Your lock has a built-in keypad: 1. Enter the Master Entry Code on the keypad, then select the gear icon ⚙. 2. Press '7', then the gear icon ⚙. 3. Exit the menu by selecting the 'Previous' button (the red back arrow in the upper left corner) or wait for the menu to time out. #### Your lock does not have a built-in keypad: 1. Locate the enrollment button, underneath the battery cover and next to the thumbturn (see image). ![](https://lh4.googleusercontent.com/R39FeCxSnFpEJ__kuFF5aY4uyEr6eYw56aAin-STb-nKlYQvrAq3Eu608wy74RTrktzCikARjldXB5UOWQxyvjaXr8-zYuKzHM09I3Aan_CfhHnch73sKX8IDzVulI4OG3y9NQ32) 2. Press and release the enrollment button after two seconds. #### #### Module serial number starts with “M2” 1. Place Yale Access Module in 'Advanced Mode' 1. Enter your User code 2. Press the I button 3. Press 4 4. Press # 5. Press 7 6. Press # 7. Enter your Master code 8. Press the I button 2. Wake up the keypad, and enter the Master Code followed by the R or I button (located inside the battery cover). 3. Select the number 7 followed by the # symbol. #### #### Module serial number starts with "M4" #### #### Your lock is a Doorman: 1. Enter # followed by the Master Code followed by # 2. The lock should say 'Integration Activated.' #### Your lock is a Conexis or Keyless: 1. Open the door 2. Remove one battery 3. Insert the Yale Access Module 4. Re-insert the battery ## Registering your module Follow steps below to enter the Programming Menu on the host lock to register your module: 1. Enter the Master Entry Code on the keypad, then select the gear icon ⚙ 2. Press '7', then the gear icon ⚙ 3. Exit the menu by selecting the 'Previous' button (the red back arrow in the upper left corner) or wait for the menu to time out This completes the registration process for the module. ## The number 7 does not appear on the keypad If the number 7 does not appear on the keypad, it may be due to any of the following reasons: 1. The Master Entry Code is not set 2. The module is not properly seating within the lock 3. The lock is not compatible with the smart module ## The number 7 does not appear on the keypad #### If the Master Entry Code is not set Module setup is not possible until after the Master Entry Code has been configured. Follow the Master Entry Code registration steps: 1. Press the gear icon ⚙ in the lower right hand corner of the keypad 2. Press 1 or follow voice command to create a Master Entry Code - listen closely to the audio instructions if your model supports this feature 3. Enter a Master Entry Code that is between 4-8 digits long 4. Press the gear icon ⚙ to complete Entry Code creation 5. Press the upper right Previous (P-arrow) option or listen closely to the audio for instructions After completing the Master Entry Code creation steps, press any key on the keypad to calibrate the lock and complete setup. #### If the module is not properly seated within the lock If the module is not properly seated in the lock, you may receive a Module Communications Error. In the event that this happens, first remove one battery from the lock. Wait 10 seconds, then reinsert the Yale Access module, then replace the battery. Listen carefully for lock sounds as it powers back up. Check the lock to see if the error comes up again. PLEASE NOTE: It is critical that the battery is removed _before_ the Yale Access Module is removed and reinserted. If you continue to receive the Module Communications Error, you may need to physically factory reset the lock. PLEASE NOTE: When a lock is factory reset, all user codes including Master Entry Code are deleted and all programming features will be returned to their default settings. Follow the steps below: 1. Remove the battery cover and batteries from the lock 2. Remove the interior escutcheon to access the reset button within the lock 3. The reset button is located beside the PCB cable connector 4. Reinstall the batteries while holding down the reset button for a minimum of 3 seconds and then release 5. Replace the battery cover Upon reset, Master PIN Code creation is the only option available and must be performed prior to any other lock programming. Follow the steps listed above to complete Master PIN Code creation. #### If none of the above, you may need to factory reset the lock. You can find the factory reset method for each lock on the lock manufacturer's website. Please note that when the lock is factory reset, all existing settings and PIN codes associated with the lock will be erased and reset to default settings.