- Smart lock too far from base station
- Lock batteries are low or dead
- Deadbolt misaligned with strike plate
Problem Description
Your SimpliSafe smart lock shows Not Responding in the app, will not lock or unlock via the app, or physically jams when trying to turn the deadbolt. The smart lock communicates with the base station via RF similar to sensors. When it shows not responding the lock loses integration with the alarm system meaning it will not auto-lock when you arm or unlock when you disarm. Physical jamming occurs when the deadbolt is misaligned with the strike plate or the lock mechanism is binding. Both issues prevent reliable door security.
Symptoms
- App shows smart lock not responding
- Lock does not auto-lock when system arms
- Cannot unlock via app or keypad
- Lock physically jams when turning manually
- Lock buzzes but deadbolt does not extend
- Lock worked after installation but stopped responding
- Exterior keypad works but app does not
Recognize these? Here's what usually causes it.
Common Causes
- Smart lock too far from base station
- Lock batteries are low or dead
- Deadbolt misaligned with strike plate
- Door warped or shifted causing binding
- Lock installed with incorrect orientation
- RF interference blocking communication with base station
- Lock firmware needs update
- Lock was not re-paired after base station reset
Most fixes happen in the first 3 steps.
Do not force a jammed smart lock as this can strip the motor gears. If the deadbolt will not extend or retract manually disengage the SimpliSafe lock by removing batteries and use the physical key to operate the deadbolt until the alignment issue is resolved. A forced lock may require replacement.
Tools & Requirements
These tools will help you complete this fix.

Phillips screwdriver for strike plate adjustment
Klein Tools 85076 Screwdriver Set, Made in USA, Slot...

4 AA batteries
eufy Security Smart Lock FamiLock C32, Fingerprint K...

File for enlarging strike plate if needed
ATM Manual Reset Fuse Kit Low-Profile Mini Fuses 5A,...
As an Amazon Associate we earn from qualifying purchases.
Step-by-Step Solution
Replace Lock Batteries
The smart lock uses 4 AA batteries. Low batteries cause the lock to stop responding to RF commands while the keypad may still work. Remove the interior lock cover by sliding it up. Replace all 4 batteries with fresh alkaline or lithium AA batteries. After replacing batteries the lock should beep and reconnect to the base station within a few minutes. Check the app to see if the not responding status clears.

Needed for this step
eufy Security Smart Lock FamiLock C32, Fingerpr...
$79.99Check Physical Deadbolt Alignment
If the lock buzzes but the deadbolt does not extend the door or strike plate is misaligned. Open the door and try extending the deadbolt. If it extends freely when the door is open but not when closed the strike plate needs adjustment. Use a file to enlarge the strike plate hole or loosen the screws and shift the plate. The deadbolt should extend and retract smoothly with the door closed.

Needed for this step
Klein Tools 85076 Screwdriver Set, Made in USA,...
$49.97Recalibrate the Lock
After adjusting alignment recalibrate the lock. On the interior side of the lock press and hold the SimpliSafe button for 3 seconds until you hear a beep. The lock will auto-calibrate by extending and retracting the deadbolt several times. This teaches the lock the correct positions. If calibration fails repeatedly the door alignment still needs adjustment.
Re-pair the Lock to Base Station
If the lock shows not responding after checking batteries re-pair it to the system. In the app go to My System then Device Settings then select the smart lock and tap Remove Device. Then go to Add Device and select Smart Lock. Follow the prompts and press the pairing button on the lock when instructed. The base station will announce Smart Lock when pairing succeeds.
Check Base Station Distance
The smart lock needs to be within RF range of the base station. Thick walls, metal doors, and distance reduce signal strength. If the lock is far from the base station or separated by multiple walls consider moving the base station closer. Test communication by putting the system in test mode and using the lock. The base station should announce Smart Lock activity.
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.
Smart locks are more susceptible to RF issues than sensors because they have motors that draw significant power. If your lock works via the physical keypad but not the app the issue is RF communication not the lock mechanism. Focus on base station distance and interference for not responding issues.
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.
- Smart lock too far from base station
- Lock batteries are low or dead
- Deadbolt misaligned with strike plate
- Door warped or shifted causing binding
- Lock installed with incorrect orientation
Before you go — try one of these (they fix most cases).
Most popular upgrades chosen by SimpliSafe Smart Lock owners.

SimpliSafe Smart Lock Series 2 (White) for The Gen 3 Home...

SimpliSafe Smart Lock Series 2 (Black) for The Gen 3 Home...
As an Amazon Associate we earn from qualifying purchases.
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 SimpliSafe Smart Lock ManualSource: simplisafe.com
Need More Help? SimpliSafe Support
Note: The contact information below connects you directly to SimpliSafe's official customer support team, not Trunetto. They can help with warranty claims, device replacements, and advanced technical issues.
How Does SimpliSafe Compare?
Before replacing your SimpliSafe device, see how it stacks up against alternatives in our full comparison guides.

