Hansa Function Selector Switch Failure

Oven light works but fan and heating do not start when a function is selected

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Safety Warning

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.

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Possible Causes

Worn contacts in function selector, Broken selector shaft, Loose wiring on selector terminals, Melted switch body from overheating

How to Fix / Troubleshooting

Safety first: Disconnect mains power.

  • Knob and shaft: Remove the function knob and inspect the shaft for cracks or free play.
  • Continuity test: Access the function selector switch and test continuity between common and output terminals in each position according to the wiring diagram.
  • Inspect for heat damage: Look for discoloration or melting around heavily loaded contacts (e.g., grill, oven).
  • Replace selector: If contacts are open or intermittent, replace the Hansa function selector switch and transfer wires one by one to the new unit.
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Repair Difficulty

Medium 3/5

Required Part

Function Selector Switch
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