Direct answer
On a supported Samsung dishwasher, AP means the dishwasher is in Wi-Fi access-point setup mode. Open SmartThings and complete pairing while the phone is on compatible home Wi-Fi. Then if setup is not intended, cancel AP mode using the exact model control combination.
What this covers
- Samsung dishwashers displaying AP
- 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 AP 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
ReversibleOpen SmartThings and complete pairing while the phone is on compatible home Wi-Fi.
Correct the remaining user-serviceable cause
ReversibleIf setup is not intended, cancel AP mode using the exact model control combination.
Run one controlled verification
ReversibleConfirm the normal cycle display returns and the appliance appears online if paired. AP is a setup state, not a drain, leak or heater failure.
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 AP mean on a Samsung dishwasher?+
It means the dishwasher is in Wi-Fi access-point setup mode.
Can I clear AP 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?+
AP is a setup state, not a drain, leak or heater failure.
Answer for the exact device and software version shown above.