Miele
Brew Unit Presence Detection Fault
Display shows 'Insert brew unit' even though brew unit is installed
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Possible Causes
Brew unit not fully locked in place, dirty or damaged brew unit contacts, faulty presence microswitch, deformed brew unit frame
How to Fix / Troubleshooting
User-level steps:
- Remove the brew unit and rinse it thoroughly.
- Inspect the side rails and locking hooks; ensure nothing is broken.
- Clean the interior guides and contact points where the brew unit slides in.
- Reinsert the brew unit firmly until it audibly clicks.
Technical inspection:
- Check the brew unit presence microswitch or sensor for proper actuation when the unit is inserted.
- Adjust or replace the switch if it does not change state.
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Repair Difficulty
Easy
2/5
Required Part
Brew Unit Presence Microswitch / Brew Unit
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