The SUNELAN S1 does not have a physical reset button on the outside. The reset is triggered via a secret chord on the touchscreen keypad.
The lock must have power (keypad lights up). If it doesn't, use the 9V jump start from Part 3. How to reset SUNELAN S1 when locked
Use the to navigate the menu and highlight "wipe data/factory reset" . Press the Power button to select it. The SUNELAN S1 does not have a physical
If your SUNELAN S1 is acting erratic, freezing, or not responding to codes but the batteries aren't completely dead, a "soft reset" is your first line of defense. This clears the temporary cache of the lock without deleting your programmed codes. How to reset SUNELAN S1 when locked