Bosch 300 Series dishwasher not cleaning

The short answer

34 of 1,988 owner reviews we read describe a Bosch 300 Series dishwasher not cleaning properly. Of the 14 owners who said when it started, 6 said right out of the box. The part they blame most is the door seal (2 owners).

How many owners report it
34 of the 1,988 reviews we read
When it usually starts
Right out of the box (6 of the 14 who said)
Part owners blame most
Door seal (2 owners)

We read extra 1- and 2-star reviews for this series, so these numbers show what people complain about, not how likely the dishwasher is to break.

When it started

14 of the 34 owners say how long they had the dishwasher when the problem started.

How long owners had it when the problem started

As owners describe it. Owners who did not say are left out.

Show as a table
WhenOwners
Right out of the box6
First month2
1–6 months3
6–12 months0
1–2 years3
Over 2 years0

Parts owners blame

  • Door seal 2
  • Heating element 2
  • Control board 1
  • Water inlet valve 1
  • Rack 1
  • Spray arm 1
Parts named in the 34 reports. Many reports don't name a part.

What happened after it broke

  • A technician came, still broken 2
  • Got a replacement or refund 1

Related

Every problem reported on the 300 Series

Common questions

How common are cleaning problems on the Bosch 300 Series?

34 of the 1,988 Bosch 300 Series owner reviews we read describe this problem. Our sample includes extra low-star reviews, so this shows how often it comes up in complaints, not a failure rate.

When do cleaning problems usually begin on the Bosch 300 Series?

Of the 14 owners who say when it started: 6 right out of the box, 2 in the first month, 3 between one and six months in and 3 in the second year.

Which part is usually involved in cleaning problems on the Bosch 300 Series?

The parts owners name most: door seal (2), heating element (2) and control board (1). Many reports don't name a part.

What fixed cleaning problems on the Bosch 300 Series for other owners?

No single fix has been reported working by 5 or more owners yet. 2 say a technician visit didn't fix it. 1 had the unit replaced or refunded.