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.

Cleaning & Care products

Our Service

We are here to help, before and after your purchase.

Phone: 02-495-2424

Monday to Sunday: 8am to 6pm (including public holidays)

Help is on the way: arrange a Bosch technician visit.

If you experience any problems with your home appliance, you can arrange a visit from a Bosch service technician.

Phone: 02-495-2424

Instruction Manual

Download our manuals to help you get a quick start to operate your appliance.

Locate the rating plate

Identify your appliance to find your E-Nr (model) and FD (producion) number. You need these for product registration and booking your repair service.