Tassimo coffee machine Troubleshooting

Tassimo Coffee Machine Not Heating

Expert guide to diagnose and fix "not heating" on Tassimo machines.

⚡ TL;DR — Quick Answer

Descale the Tassimo boiler using an approved descalant. Limescale is the #1 cause of heating failures.

What Causes Not Heating?

Tassimo machines use barcode-scanned capsules for precise brewing parameters.

Step-by-Step Fix

Follow these steps specifically for Tassimo machines:

  1. Descale the Tassimo boiler using an approved descalant. Limescale is the #1 cause of heating failures.
  2. Test the NTC temperature sensor with a multimeter. On Tassimo machines, a faulty sensor shows infinite resistance.
  3. Inspect the heating element for calcium deposits. If resistance is out of spec, replace the element.
  4. After descaling, run 3 empty brew cycles to purge air from the heating chamber.

Tassimo Pro Tip

Expert advice: If the machine reads the barcode incorrectly, clean the scanner window with a dry cloth.

Model-Specific Notes

These steps apply to: Tassimo T12, Tassimo T20, Tassimo T55, Tassimo T65, Tassimo My Way. For exact part numbers, consult the Tassimo parts catalog at Tassimo Support.

Preventive Maintenance

Run the Tassimo descaling program every 2-3 months.

Popular Tassimo Models

Tassimo T12 Tassimo T20 Tassimo T55 Tassimo T65 Tassimo My Way

When to Call a Professional

If these steps don't resolve the issue, contact an authorized Tassimo service center. Complex electrical or hydraulic problems require professional diagnosis.

Related Tassimo Issues

Not Turning On Not Heating Error Codes Leaking Water Ver versión en español

Other Brands

Nespresso Keurig DeLonghi

See Also

Related issues on Tassimo:

Not Turning OnSlow BrewingOverheating

Frequently Asked Questions

Cold brew means the heating element, its thermostat, or the thermal fuse has failed. Scale builds up inside every coffee machine and eventually blocks the boiler and pipes. Run a full descaling cycle with Tassimo's approved descalant every 2-3 months (or whenever the machine prompts it), then rinse with fresh water. If your machine refuses to descale, see our Not Heating guide.

The quickest way to fix scale problems on a Tassimo is a full descaling run: use the approved descalant, follow the machine's cycle, and finish with two rinse brews. Repeat every 2-3 months, or as soon as the alert appears. Step-by-step instructions are in our Not Heating guide.

If a Tassimo has not been descaled for a while, limescale restricts the boiler and pipes. Buy the brand's descalant, run the descale program, rinse thoroughly, and schedule it every 2-3 months from now on. See our Not Heating guide for the full routine.

A Tassimo prompts for descaling based on water hardness and usage. The fix is simple: run the descale cycle with approved descalant, rinse twice, and use filtered water to make the intervals longer. Details in our Not Heating guide.