Hi everyone,
I recently ran into a strange issue with my Nuki Smart Lock Ultra.
During unlocking, right when the latch was supposed to retract, I heard a kind of squealing/whistling noise from the motor. The latch didn’t return to its normal position, so the door stayed slightly unlatched. I tried to manually move the key but was blocked…after some seconds the key returned to the default position.
To troubleshoot, I already:
recalibrated the lock,
checked the latch (it’s smooth and moves freely),
verified that the door opens/closes without friction or stiffness on the deadbolt.
Everything looks mechanically fine, but this still happened once or two times.
Has anyone else experienced this? Could it be a motor/gear issue rather than calibration or alignment?
My installation on the door seems to be perfect and the cylinder has softly opening…
Thanks Andreas for your kandly support.
Ok your replay sounds good, finger crossed for next fix.
The strange behavior is the hissing noise during the unlatching. I don’t think a firmware can clear this motor behavior.
Anyway i will look forward for next update
Best
Alex