Nespresso
Over-Dosing / Flow Meter Miscalibration
Coffee volume is too large; the cup overflows compared to the programmed size.
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Possible Causes
Flow meter not counting pulses correctly, Control board miscalibration, Stuck flow meter turbine spinning freely, Incorrect cup size programming.
How to Fix / Troubleshooting
User-level steps:
- Reset cup sizes to factory defaults using the programming procedure.
- Reprogram desired cup volumes carefully.
Technical steps:
- If volumes remain inconsistent, inspect the flow meter for debris and clean or replace it.
- If a new flow meter does not resolve the issue, the main control PCB may be miscounting pulses and should be replaced.
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Repair Difficulty
Easy
2/5
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