August Smart Lock Error Code 2: How to Fix It

Easy 15-30 minutes Medium Severity Verified June 2026
Error Code
2
Brand
August
Product Type
smart_lock
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
15-30 minutes
Error code 2 on your August Smart Lock means the door sensor isn't detecting the magnet, which prevents the lock from knowing whether the door is open or closed. This typically requires recalibrating the sensor and ensuring proper alignment between the sensor and magnet.
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Tools You'll Need

How to Fix Error Code 2

  1. Check door sensor and magnet alignment

    Make sure the lock is in a powered state before proceeding. Do not use excessive force to move components.
  2. Perform calibration from the August app

  3. Remove obstructions near the sensor

  4. Check battery level

    Use only recommended battery types to avoid damage.
  5. Re-install the sensor and magnet

    If the sensor or magnet appears damaged, replace them before proceeding.
  6. Factory reset the lock

    Factory reset will delete all settings. You will need to reconnect to Wi-Fi and reconfigure access codes.

Parts You May Need

August Door Sensor
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AA Alkaline Batteries
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August Door Sensor
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AA Alkaline Batteries
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August Door Sensor
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AA Alkaline Batteries
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August Door Sensor
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AA Alkaline Batteries
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When to Call a Professional

If after factory reset and proper alignment the error persists, the door sensor or magnet may be defective. Contact August support or a professional smart lock installer for replacement.

Frequently Asked Questions

What does error code 2 mean on August Smart Lock?
Error code 2 indicates the door sensor cannot detect the magnet, meaning the lock doesn't know if the door is open or closed. This often requires recalibration or realignment.
How do I recalibrate my August Smart Lock?
Open the August app, select your lock, go to settings, and choose 'Calibrate'. Follow the instructions to open and close the door when prompted.
Can low batteries cause error code 2?
Yes, low batteries can affect sensor communication. Replace batteries if below 20% and recalibrate.
Where is the magnet on August Smart Lock?
The magnet is installed on the door frame, aligning with the sensor on the lock when the door is closed.
Do I need to remove the lock to fix error code 2?
No, you usually don't need to remove the lock. Adjust the magnet position or recalibrate via the app. Only remove if checking internal wiring.