Cillit Drive Gear / Motor Wear

Softener makes grinding or clicking noises from the valve head during regeneration

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

Worn Cillit motor gear train, Debris in cam mechanism, Misaligned rotor, Insufficient lubrication of gears (if applicable)

Safety: Disconnect power before removing the valve cover.

Inspect drive assembly: Remove the Cillit valve head cover and observe the motor and gears while initiating a regeneration (briefly reconnect power for observation only).
Check for debris: Power off, then remove any foreign objects or broken plastic pieces from the gear area.
Assess wear: If teeth are worn or cracked, replace the Cillit drive motor and gear kit.
Reassemble and test: Refit the cover and run a full regeneration to confirm smooth operation.

Medium 3/5

Cillit valve drive motor and gear kit

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