Senseo Microbial Growth / Residue Build‑Up

Machine produces a sour or musty smell from the spout or inside the lid.

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Possible Causes

Old coffee oils in pod holder, stagnant water in internal lines, dirty drip tray and spout, infrequent cleaning

How to Fix / Troubleshooting

Safety first: Unplug the machine before deep cleaning.

  • Clean removable parts: Wash the pod holder, drip tray, and water tank with warm soapy water and rinse thoroughly.
  • Clean brew head: Wipe the rubber seal and surrounding area with a damp cloth. Use a food‑safe cleaner if needed.
  • Run cleaning cycles: Run several cycles with just water to flush the internal lines.
  • Descale: Perform a descaling cycle to remove internal deposits that can trap odors.
  • Dry between uses: Leave the lid open when not in use to allow the brew head to dry.
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Repair Difficulty

Very Easy 1/5
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