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