E15
Nilfisk
Child Lock / Safety Lock Engaged
Vacuum will not start; lock or key icon displayed
Advertisements
Possible Causes
Child lock feature activated, Stuck lock button, Firmware misread of lock state
How to Fix / Troubleshooting
Safety: Ensure the unit is not near children while troubleshooting.
- Disable child lock: Press and hold the designated lock/unlock button (refer to manual) for 3–5 seconds until the lock icon disappears.
- Power cycle: Remove the battery for 1 minute, reinstall, and try disabling the lock again.
- Check buttons: Ensure the lock button is not physically stuck or damaged.
- If lock cannot be cleared: The control keypad or PCB may be faulty and require replacement.
Advertisements
Repair Difficulty
Very Easy
1/5
Advertisements