Error 6
Tassimo Volume Measurement / Flow Calibration Error

Red error light appears and brew stops; cup overflows or is underfilled compared to normal size.

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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

Faulty flow meter, Blocked outlet nozzle or internal tubing, Incorrect barcode reading causing wrong volume, Control board calibration issue

How to Fix / Troubleshooting

Safety first: Unplug the machine before cleaning internal areas.

  • Clean outlet nozzle: Remove the cup stand and clean the coffee outlet spout thoroughly with warm water to remove coffee oils and residue.
  • Clean T DISC holder: Remove the T DISC holder and rinse under warm water, ensuring the outlet channels are clear.
  • Clean barcode reader: Wipe the barcode scanner window gently with a soft cloth to ensure accurate reading of T DISC barcodes.
  • Descale: Run a full descaling cycle to clear limescale from the flow meter and internal tubing.
  • Test with multiple discs: Try different T DISCs to rule out a damaged barcode. If the problem persists across discs, the flow meter or control board may need replacement by a technician.
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Repair Difficulty

Medium 3/5

Required Part

Flow Meter
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