Direct answer
A detergent door may be blocked by a pan or rack, stuck by damp detergent, or fail because the cycle never reached the release stage.
What this covers
- Dishwashers · dispenser
- The exact symptom in the title before component-level repair
- Consumer-accessible controls, connections and maintenance areas
What it does not cover
- ×Smoke, burning odor, swelling, liquid on powered parts or damaged wiring
- ×Opening sealed panels, bypassing interlocks or live-electrical testing
- ×Account ownership, billing or warranty disputes
Observe before changing anything
ReversibleAfter a completed cycle, note whether the door is still latched and whether an item was directly in front of it.
Isolate the failing boundary
ReversibleRun empty with a clean dry cup and verify the selected cycle advances beyond prewash.
Apply the narrow correction
ReversibleCorrect loading and clean residue using the approved method; do not oil the dispenser.
Verify the result and stop at the boundary
ReversibleA clean unblocked dispenser that never releases requires model-specific latch or control service.
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 should I check first for “Dishwasher detergent door does not open”?+
After a completed cycle, note whether the door is still latched and whether an item was directly in front of it.
How do I know whether the problem is external or inside the device?+
Run empty with a clean dry cup and verify the selected cycle advances beyond prewash.
When should I stop and request repair?+
A clean unblocked dispenser that never releases requires model-specific latch or control service.
Answer for the exact device and software version shown above.