F7
Zanussi
Function Selector Switch / Control Communication Fault
Electric oven shows F7 and may not respond to temperature changes or function selection.
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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 or burnt function selector switch contacts, broken selector shaft, loose wiring on selector, communication error between selector and control board
How to Fix / Troubleshooting
Safety first: Isolate the cooker from the mains before removing the control panel or knobs.
- Check selector knob: Ensure the knob is not cracked or slipping on the shaft. Replace the knob if it does not firmly engage.
- Inspect selector switch: Remove the control panel to access the selector switch. Look for signs of overheating or burnt contacts.
- Test continuity: Using the wiring diagram, test the selector switch positions with a multimeter to confirm that the correct contacts close in each position. Replace the switch if readings are inconsistent.
- Check wiring: Ensure all spade connectors are tight and correctly positioned on the selector terminals.
Note: If the selector tests good, F7 may indicate a control board fault requiring replacement.
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Repair Difficulty
Medium
3/5
Required Part
Oven Function Selector Switch
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