- Batteries depleted
- Touchscreen asleep
- Keypad surface dirty
Problem Description
If the touchscreen is unresponsive, battery power or keypad contamination is usually the cause. This guide restores touch response and checks power.
Why This Happens in Real Homes
If the touchscreen is unresponsive, battery power or keypad contamination is usually the cause. This guide restores touch response and checks power. In day-to-day use, this usually looks like Touchscreen does not light up; Codes not registering; Lock works with key.
Most cases trace back to Batteries depleted; Touchscreen asleep; Keypad surface dirty. The fix works best when you go step by step instead of changing multiple settings at once.
A practical order for this issue is: Replace Batteries -> Wake Screen -> Clean Keypad -> Reseat Battery Pack. After each step, test the exact behavior that was failing so you can confirm what actually solved it.
Symptoms
- Touchscreen does not light up
- Codes not registering
- Lock works with key
- Battery low warning
- Screen dirty
- Recent temperature swing
Recognize these? Here's what usually causes it.
Common Causes
- Batteries depleted
- Touchscreen asleep
- Keypad surface dirty
- Battery pack loose
- Firmware outdated
- Moisture on keypad
Most fixes happen in the first 3 steps.
Avoid using abrasive cleaners on the touchscreen.
Tools & Requirements
These tools will help you complete this fix.
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Step-by-Step Solution
Replace Batteries
Install fresh batteries and confirm the lock powers on.
Wake Screen
Touch the Yale logo to wake the keypad.
Clean Keypad
Wipe the touchscreen with a dry microfiber cloth.

Needed for this step
BELLEMOND「Samurai Cloth」Japanese Microfiber Cle...
$18.99Reseat Battery Pack
Remove and reinstall the battery pack to ensure contact.
Test Codes
Enter a code and confirm the lock responds.
Quick 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.
Keep spare batteries nearby to avoid lockouts.
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.
- Batteries depleted
- Touchscreen asleep
- Keypad surface dirty
- Battery pack loose
- Firmware outdated
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 SL 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.




