Bosch dishwasher error code E12

Build-up of limescale in heating system - To avoid damage to the heating system, we urgently recommend descaling the appliance. We recommend using our quick descaler (00311506), our dishwasher care (00311565) or other standard descaling products for dishwashers. Make sure you use these products according to the instructions on the packaging.

You can call our Bosch customer service team for large appliances on +971 600 522 553