Why Won't My Yale Smart Lock Auto-Lock?

Problem Description

Your Yale smart lock's Auto-Lock feature is not locking the door automatically after the set time interval. Auto-Lock is configured in the Yale Access app under Lock Settings > Auto-Lock. If it is enabled but not working, check that the DoorSense sensor (magnetic sensor on the door frame) is properly detecting the door as closed. Auto-Lock only activates when DoorSense confirms the door is shut.

Why This Happens in Real Homes

Auto-Lock on a Yale lock is tied directly to DoorSense, the little magnetic door-position sensor, and that link explains almost every Auto-Lock problem. The lock will only auto-lock a door it is certain is closed (a safety feature, so it never throws the bolt against an open door), so if DoorSense is miscalibrated or its magnet is out of alignment and reports the door as open, Auto-Lock silently never fires. Recalibrating DoorSense in the Yale Access app fixes the majority of cases. The flip side is a door that does not physically latch when it swings shut: if the strike is off and the door rests unlatched, DoorSense correctly reads it as open and Auto-Lock waits forever, so aligning the strike matters as much as the sensor. Beyond that, confirm Auto-Lock is actually enabled with a sensible timer, and that the batteries are healthy, since a bolt that stalls on low power can leave the door half-locked after the timer runs.

Symptoms

• Door does not auto-lock after the set time
• Auto-lock works sometimes but not others
• Auto-lock fires while the door is still open
• Lock reports the door as open when it is closed
• Auto-lock countdown never starts
• Bolt throws against the open door and jams
• Auto-lock disabled itself
• Inconsistent auto-lock after moving the lock

Recognize these? Here's what usually causes it.

Common Causes

• DoorSense not detecting the door as closed (miscalibrated or misaligned magnet)
• Auto-Lock turned off or the timer misconfigured in the app
• DoorSense magnet too far from the sensor
• Door not latching fully, so DoorSense reads it as open
• Low batteries interrupting the auto-lock action
• Bluetooth or bridge offline so app-based auto-lock cannot fire
• Lock needs recalibration
• Firmware out of date

Tools & Requirements

Step-by-Step Solution

1

Distinguish from the other Auto-Lock guide

This guide covers persistent Auto-Lock failures that are not resolved by basic settings checks. If you have not already, toggle Auto-Lock off and on in the Yale Access app and confirm DoorSense is calibrated — basic issues are covered in the standard Auto-Lock troubleshooting guide. This guide addresses deeper issues: Auto-Lock triggering at wrong times, locking when the door is open, or the feature disappearing from settings entirely.

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2

Fix Auto-Lock triggering when the door is open

If the lock engages Auto-Lock while the door is physically open, DoorSense is miscalibrated or malfunctioning. The lock trusts DoorSense to determine door state — if DoorSense reports closed when the door is open, the lock will auto-lock and the bolt extends into thin air. Recalibrate DoorSense: open the door, go to the Yale Access app, Settings > DoorSense, and follow the calibration steps. If recalibration does not fix it, replace the DoorSense magnet — magnets weaken over time.

3

Fix Auto-Lock disappearing from settings

If the Auto-Lock option is missing from your Yale Access app, the lock firmware may need an update. Some older firmware versions hide Auto-Lock unless specific conditions are met. Update the lock firmware via the app (Settings > Firmware). After updating, the Auto-Lock option reappears in settings. If it still does not appear, your lock model may not support Auto-Lock — check the product page for your specific model.

4

Fix Auto-Lock locking too quickly or slowly

The Auto-Lock timer is adjustable from 1 to 30 minutes. If the lock seems to auto-lock too fast, check the timer setting in the Yale Access app — it may have reset to the default (1 minute) after a firmware update or power cycle. Adjust to your preferred delay. If the lock takes much longer than the set time, the lock may be retrying DoorSense checks. Each failed DoorSense read adds a delay before the lock commits to locking.

5

Disable Auto-Lock for specific situations

If Auto-Lock is problematic (locking you out during yard work, engaging while moving furniture through the door), use the Hold Open feature in the Yale Access app. This temporarily disables Auto-Lock until you manually re-enable it. On some models, holding the interior thumb turn in the unlocked position for 3 seconds activates a physical hold-open mode. This prevents motor-driven locking without changing your Auto-Lock settings.

Quick Solutions

Still having issues? This is usually the deeper cause below.

Need More Help? Yale Support

Note: The contact information below connects you directly to Yale's official customer support team, not Trunetto. They can help with warranty claims, device replacements, and advanced technical issues.

How Does Yale Compare?

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