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Model library · Bosch Coffee Machine

TIU20307

Bosch TIU20307

Most common issues on this model

  1. Pump growing noisy and weak with age
  2. Hardened brew unit seals, which let brewing pressure drop
  3. Perished hopper lid seal that lets beans stale sooner

Sitting on the same narrow 9 3/4 inch frame as its 300 Series siblings, the TIU20307 is another VeroCafe with a five-drink menu that includes latte macchiato, a removable brew unit and an adjustable grinder. Bosch sells it as its own build next to the rest of the range.

Because it stands on the counter, it changes the repair conversation. A built-in has to be worked on where it is mounted, in the kitchen. This one can travel to a workshop instead, which usually makes brew unit and boiler repairs more practical, and often cheaper, than they would be on a cabinet-mounted unit.

With age, the problems are mostly mechanical. The pump gets noisy and loses pressure, the seals on the brew unit harden so brewing pressure falls, and the seal under the bean hopper lid perishes, so beans go stale sooner. We listen to the pump, check the seals and run a test drink before advising.

Key features

  • VeroCafe, 300 Series, countertop
  • Narrow frame, 9 3/4 in
  • Menu of five drinks, latte macchiato included
  • Brew unit slides out; grinder is adjustable
→Codes

Error codes this model can show

TIU20307TIU20307 questions
Why is the pump noisy and the coffee thin?

These two often come together. A pump that is wearing out growls and cannot push water hard enough, so extraction falls short. The pump can be replaced.

Do you have to work on this machine at my house?

Not always. This one is portable, unlike a built-in, so it can go to a workshop, where bigger repairs are easier and cost less.

Why are my beans going stale so fast?

The seal under the bean hopper lid may have perished and is letting air in. It is a small part, and replacing it keeps beans fresher for far less than the wasted coffee costs.

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