E19
Blomberg
Function Selector Switch / Encoder Fault
Oven shows E19; multi-function selector knob position is not recognized or modes change unexpectedly.
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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 mechanical function selector switch, faulty rotary encoder, broken selector shaft, loose wiring to selector
How to Fix / Troubleshooting
Safety first: Disconnect power before removing the control panel or knobs.
- Check knob and shaft: Remove the function selector knob and inspect the shaft for cracks or excessive play.
- Access selector switch: Remove the front panel to expose the function selector switch or encoder.
- Inspect contacts and wiring: Look for burned contacts, broken plastic, or loose connectors. Clean light oxidation with contact cleaner if accessible.
- Test switch: Using a multimeter, verify that the correct contacts close in each selector position (refer to wiring diagram if available).
- Replace selector: If the switch or encoder is worn or inconsistent, replace the function selector switch / rotary encoder.
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Repair Difficulty
Medium
3/5
Required Part
Function Selector Switch
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