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Bosch dishwasher error code E12
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.
