Hilti Ingress of Dust into Control Area

Vacuum trigger or switch area gets dusty inside clear cover (if equipped)

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Damaged seals around switch, Cracked housing, Missing grommet on wiring pass-through

Safety first: Remove the battery before cleaning around controls.

External cleaning: Use compressed air to blow dust away from the switch area.
Inspect housing: Look for cracks or gaps around the control panel.
Monitor function: If the switch still operates normally, continue use but schedule service to replace seals or housing parts.
Service if sticking: If the switch becomes stiff or intermittent, have the housing and seals replaced by a technician.

Medium 3/5

Handle Housing or Switch Seal

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