Ariston Worn or Contaminated Function Selector Switch

Mechanical selector knob is stiff, hard to turn, or does not click into positions

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

Grease or dirt inside selector, Worn detent mechanism, Melted plastic from overheating contacts

Safety first: Disconnect power before working on the control panel.

Remove knob: Pull the function knob straight off the shaft.
Inspect shaft: Check for melted plastic or deformation. If the shaft is damaged, replace the selector switch.
Access selector: Remove the control panel and unscrew the selector switch.
Replace selector: Transfer wires one by one to a new genuine Ariston selector switch, ensuring correct positions.

Medium 3/5

Function Selector Switch

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