Wolf Gourmet
Underfill / Inaccurate Volume Control
Brewed coffee volume is less than the selected amount.
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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
Scale buildup affecting flow meter readings, Incorrect user setting (small batch mode), Premature cycle termination due to thermal trip, Leaks in internal tubing
How to Fix / Troubleshooting
Safety first: Allow the unit to cool before handling.
- Check settings: Verify that you have selected the correct brew size and that any small-batch or 1–4 cup mode is not enabled when brewing a full pot.
- Descale: Run a descaling cycle to restore accurate flow through the heating block and flow meter.
- Observe for leaks: During a water-only brew, watch for any drips or leaks under or behind the unit that could account for missing volume.
- Measure output: Brew a known size (e.g., 10 cups) with water only and measure the output in the carafe. If consistently low, the flow meter or control calibration may be off.
- Persistent underfill: Likely indicates a failing flow meter or control board logic; professional service is recommended.
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Repair Difficulty
Medium
3/5
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