Montpellier Function Selector Switch Failure

The oven light works, but the fan and heating do not start when a function is selected.

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 or burnt contacts in the function selector, Broken selector shaft, Loose wiring on selector terminals, Internal arcing damage.

Safety first: Turn off the power at the mains before removing the control panel or knobs.

Steps to check:

Knob and shaft: Remove the function knob and check that the shaft is not cracked or spinning freely.
Access selector: Remove the front panel to expose the selector switch.
Visual inspection: Look for burnt or discolored contacts and melted plastic.
Continuity test: Using the wiring diagram, test continuity between common and output terminals in each function position.
Replace selector: If contacts are burnt or continuity is incorrect, replace the function selector switch with a Montpellier-compatible part.

Medium 3/5

Function Selector Switch

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