If dishes are clean but wet, Bosch recommends checking loading space and rinse aid. Identify the exact drying system by E-Nr before assuming a heater has failed. Pooled water in an upturned cup is different from every item leaving unusually wet.
Brand-level navigation and symptom classification. Exact-model pages own their documented controls and access procedures.
Stop and isolate power before permitted user maintenance, and let water cool. Watch for sharp debris. Do not reach blindly into a sump, open electrical panels or use drain-opening chemicals. Stay clear of water near electrical equipment.
Choose the observed outcome
Drying quality depends partly on what you are judging. Pooled droplets on recessed shapes are not the same observation as a sudden decline affecting an ordinary load throughout. Record the items, cycle and rinse-aid condition. Do not assume that a familiar heating-element repair from another brand applies; the exact Bosch drying system determines the relevant service question.
Start with the relevant branch
Check load spacing
Arrange dishwasher-safe items as the manual directs so water can run off. Avoid nesting bowls and placing items where they trap water.
Review rinse aid and settings
Use the manual to check the reservoir and appropriate drying options. Do not copy a hidden settings sequence from a different Bosch model.
Go to the exact problem
When to stop and get help
Only carry out maintenance permitted in your model’s manual. For service, note the full model number and suffix, displayed code, selected cycle and what happened during the checks. Leave internal wiring, gas components, pumps and safety devices to a qualified professional. A symptom alone does not identify a failed part.
Sources & references
Based on publicly available manuals, manufacturer support and the references listed here. We have not inspected or tested your appliance. Follow the instructions for your exact model; a guide cannot replace an in-person diagnosis.