August Lock: 'Jammed' Error While Door is Open - Smart Home | digitalhomefaults.org

Technical Background:

The August Lock uses a motor to actuate a deadbolt. Hall effect sensors detect the bolt's position. The system communicates via Bluetooth or Wi-Fi to the August Connect bridge or directly to your router, depending on model. Interference at 2.4GHz or 900MHz can disrupt communication. The lock's firmware interprets sensor data and motor current draw to determine if the bolt is jammed.

Symptoms:

The August Lock reports a 'Jammed' error in the mobile app, even when the door is physically open. The lock may attempt to cycle unsuccessfully. LED indicator may flash red, indicating a mechanical obstruction or low battery. Check system logs in the August app for specific error codes.

Possible Causes:

Low battery impedance due to cold weather (-20°C to -40°C) causing insufficient current to drive the motor.
Mechanical binding of the deadbolt due to door frame warping from seasonal temperature changes.
RF interference from other 2.4GHz or 900MHz devices, impacting communication between the lock and the August Connect or Wi-Fi.
Misalignment of the strike plate, preventing the deadbolt from fully extending or retracting.
Fingerprint sensor calibration issues preventing accurate unlock commands.
Failure in the motor drive circuit.

Solution:

1

Replace batteries with new, high-quality lithium batteries. Ensure proper polarity. Monitor voltage drop under load using a multimeter.
2

Inspect the deadbolt and strike plate for obstructions or misalignment. Adjust the strike plate if necessary. Lubricate the deadbolt mechanism with silicone-based lubricant.
3

Use a Wi-Fi analyzer app (e.g., NetSpot) to check for 2.4GHz interference. Relocate the August Connect bridge or router to minimize interference. Consider switching to a less congested Wi-Fi channel.
4

Reboot the August Connect bridge or router. Check for firmware updates for the August Lock and August Connect in the mobile app.
5

Check C-wire connection if applicable. Use a multimeter to verify 24VAC power. (Caution: Breaker lockout required, hire a professional electrician).
6

If the problem persists, recalibrate the lock using the August app's calibration feature.
7

As a temporary fix, manually override the door lock to the open position to prevent lock cycling.

Safety Warning:

Data privacy is paramount. Secure your August account with a strong, unique password and enable two-factor authentication. Protect against physical tampering by ensuring the lock is securely mounted and the exterior housing is intact. Never share access codes with unauthorized individuals. Properly dispose of used lithium batteries at designated collection points to prevent fire hazards.

Prevention:

- Replace batteries annually, preferably before the start of the Canadian winter. - Regularly check the door frame and strike plate for signs of warping or misalignment. Adjust as needed. - Update the August Lock and August Connect firmware regularly through the mobile app. - Perform a monthly manual test of the lock to ensure smooth operation. - Periodically check for RF interference using a Wi-Fi analyzer app.

Expert Tip:

If experiencing persistent connectivity issues with a Bell Giga Hub, try disabling band steering to force the August Lock to connect to the 2.4GHz band. The Giga Hub interface is accessible via a web browser on your home network.

Frequently Asked Questions

•What type of batteries are recommended for optimal performance in cold weather?

Lithium batteries are recommended due to their superior performance in low temperatures compared to alkaline batteries. Ensure they are high-quality and rated for cold weather applications.

•How do I check for RF interference and minimize its impact on the lock's connectivity?

Use a Wi-Fi analyzer app on your smartphone to scan for 2.4GHz and 900MHz interference. Identify congested channels and switch your Wi-Fi router to a less crowded channel. Relocate the August Connect bridge or router to a location with less interference.

•What are the signs of mechanical binding, and how can I address them?

Signs of mechanical binding include difficulty turning the deadbolt manually, scraping sounds, or visible misalignment between the deadbolt and strike plate. Adjust the strike plate as needed and lubricate the deadbolt mechanism with silicone-based lubricant.

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip:

Frequently Asked Questions

Frequently Asked Questions

•What type of batteries are recommended for optimal performance in cold weather?

•How do I check for RF interference and minimize its impact on the lock's connectivity?

•What are the signs of mechanical binding, and how can I address them?

Related Questions

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip: