Direct answer
On a supported Bosch dishwasher, E17, E3300 or E3400 means the filling system detected an incoming-water problem. Check that the inlet hose is not kinked or damaged. Then confirm the supply valve is fully open and household pressure is within the model specification.
What this covers
- Bosch dishwashers displaying E17, E3300 or E3400
- The code and product type exactly match the official source
- Customer-accessible checks before component replacement
What it does not cover
- ×A similar code on another manufacturer or appliance type
- ×Codes omitted from the exact model manual
- ×Internal wiring, sealed-panel or live-electrical repair
Confirm E17, E3300 or E3400 on the exact model
ReversiblePhotograph the complete display, record the model tag and note the cycle stage. Similar-looking codes can mean different things on another product line.
Check the condition named by the code
ReversibleCheck that the inlet hose is not kinked or damaged.
Correct the remaining user-serviceable cause
ReversibleConfirm the supply valve is fully open and household pressure is within the model specification.
Run one controlled verification
ReversibleRestart one cycle only after the water path is corrected. Bosch recommends support when the code continues with correct supply.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What does E17, E3300 or E3400 mean on a Bosch dishwasher?+
It means the filling system detected an incoming-water problem.
Can I clear E17, E3300 or E3400 by resetting the dishwasher?+
A restart may clear a stored display only after the underlying condition is corrected. Repeatedly resetting without correcting the cause is not a repair.
When is professional service appropriate?+
Bosch recommends support when the code continues with correct supply.
Answer for the exact device and software version shown above.