E12

For E12, brand is Bosch; appliance type is Dishwasher; meaning is There is limescale build-up in the heat pump, verified against its source on 2026-08-04.

Brand: Bosch
Appliance type: Dishwasher
Error code: E12
Meaning: There is limescale build-up in the heat pump.

Sourcebosch-home.com

Verified2026-08-04

Review by2027-08-04

DatasetAppliance fault and error codes

What the source says

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

Source

bosch-home.comhttps://www.bosch-home.com/us/owner-support/dishwashers/error-codes

Last verified against source: 2026-08-04. Scheduled for re-check by: 2027-08-04. This page as Markdown · OKF concept · full dataset as JSON.