Nilfisk Intermittent Control Wiring Fault

Handle controls (brush, vacuum, solution) work intermittently when handle is moved

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

Broken conductor in handle harness, Loose connector at control panel, Strain on cable where it enters chassis

Safety first: Unplug the machine before working on wiring.

Flex test: While the machine is off, gently flex the handle cable and observe if any visible damage appears.
Inspect connectors: Open the handle and base covers to access the harness connectors. Reseat and secure them.
Replace harness: If moving the handle causes functions to cut in and out, replace the Nilfisk handle wiring harness.

Medium 3/5

Handle Wiring Harness

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