- Code not saved correctly to lock
- Code deleted or expired
- Wrong code being entered
Problem Description
Your Yale Assure Lock 2 does not accept your PIN code. You enter the correct code but the lock beeps red and does not open. The keypad seems to work but your code is rejected. You are locked out or having to use the physical key constantly.
Symptoms
- Correct PIN rejected with red light
- Keypad beeps but does not unlock
- Code worked before but stopped
- New code added but not working
- Some codes work but others do not
- Keypad unresponsive to touches
Recognize these? Here's what usually causes it.
Common Causes
- Code not saved correctly to lock
- Code deleted or expired
- Wrong code being entered
- Lock in privacy mode blocking codes
- Keypad needs recalibration
- Code entry timeout too short
Most fixes happen in the first 3 steps.
Do not share your master code. If compromised someone could delete all other codes and lock you out.
Tools & Requirements
These tools will help you complete this fix.
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Step-by-Step Solution
Verify Code in App
Open Yale Access app and go to your lock settings then PIN codes. Find the code in question and verify it matches what you are entering. Check if it shows as active. Sometimes codes appear saved but did not sync to the lock.
Delete and Re-add Code
In the app delete the problematic PIN code. Wait for confirmation it synced to the lock. Then add the code again as new. Enter it carefully and wait for sync confirmation. Test the code immediately after adding.
Check Code Schedule
PIN codes can be scheduled to only work at certain times or set to expire. In the app check if the code has a schedule or expiration date. A code that worked last week may have expired or be outside its allowed hours.
Disable Privacy Mode
Privacy or vacation mode can block all PIN codes from working. Check your lock settings for any active modes. In the app look for privacy mode, do not disturb, or vacation mode and disable them. These modes are designed to prevent code access.
Clean Keypad Surface
The touchscreen keypad can become unresponsive if dirty. Clean with a slightly damp soft cloth. Dry thoroughly. Avoid harsh chemicals. If keypad still seems unresponsive you may need to recalibrate through the lock settings menu.

Needed for this step
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$19.99Quick Solutions
Still having issues? This is usually the deeper cause below.
If the keypad rejects valid codes, a lockout timer may be running — five failed entries locks most keypads silently for 5–10 minutes.
Always test a new code immediately after adding it. Standing at the door during sync ensures problems are caught before you leave.
Most smart lock failures people label as hardware issues turn out to be a code wiped during a sync, or a setting reset nobody remembers triggering.
- Code not saved correctly to lock
- Code deleted or expired
- Wrong code being entered
- Lock in privacy mode blocking codes
- Keypad needs recalibration
Before you go — try one of these (they fix most cases).
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Official Manufacturer Manual
If you need the complete manufacturer documentation for advanced setup, wiring diagrams, or detailed specifications, you can download the official manual below. The manual includes full technical instructions directly from the manufacturer and may help if your issue requires deeper troubleshooting.
Download the Official Yale Assure Lock 2 ManualSource: yalehome.com
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?
Before replacing your Yale device, see how it stacks up against alternatives in our full comparison guides.





