en Troubleshooting42Troubleshooting18 TroubleshootingTroubleshootingYou can rectify minor faults on your appliance yourself. Read the troubleshoot-ing information before contacting after-sales service. This will avoid unneces-sary costs.Tip: You can find further information and explanations on troubleshooting on-line by scanning the QR code in the table of contents and on our websitewww.bosch-home.com.WARNINGRisk of electric shock!Incorrect repairs are dangerous.▶ Repairs to the appliance should only be carried out by trained specialiststaff.▶ Only use genuine spare parts when repairing the appliance.▶ If the power cord of this appliance is damaged, it must be replaced with aspecial connection cable, which is available from the manufacturer or hisCustomer Service.Fault Cause and troubleshootingDisplay "Check watersupply" flashesA technical fault is present.1. Press .2. Unplug the appliance or switch off the fuse.3. Wait at least 2 minutes.4. Insert the mains plug of the appliance in a socketor switch on the fuse.5. Switch the appliance on.6. If the problem occurs again:‒ Press .‒ Turn off the water tap.‒ Pull out the mains plug.‒ Contact Customer Service → Page 49 and givethe error code.E:30-00 will light upalternately.Water protection system is activated.1. Turn off the water tap.2. Call Customer Service → Page 49.E:31-00 will light upalternately.Water protection system is activated.1. Turn off the water tap.2. Call Customer Service → Page 49.E:32-00 will light upalternately or indicatorfor water supply lightsup.Supply hose is kinked.▶ Install the inlet hose without kinks.Water tap is turned off.▶ Turn on the water tap.