Bosch Dishwasher error code E12 — There is limescale build-up in the heat pump.
What is the brand for Bosch Dishwasher error code E12 — There is limescale build-up in the heat pump.?
For Bosch Dishwasher error code E12, meaning is There is limescale build-up in the heat pump, verified against its source on 2026-08-04.
See more Error Code E12 There is limescale build-up in the heat pump. The dishwasher needs to be descaled. The Bosch descaler can be used to descale your dishwasher.
— bosch-home.com, retrieved 2026-08-04
- Brand
- Bosch verified
- Appliance type
- Dishwasher verified
- Error code
- E12 verified
- Meaning
- There is limescale build-up in the heat pump. verified
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Brand
Welcome to the guide to Bosch Dishwasher Error Codes.
— all from bosch-home.com, retrieved 2026-08-04
Source
- bosch-home.comhttps://www.bosch-home.com/us/owner-support/dishwashers/error-codes