F17 Ariston washing machine F17 error
Medium severity
What it means
The F17 error means the door lock is not closing.
Likely causes
Laundry caught between the door and the seal, or a faulty lock mechanism (UBL).
Safe steps you can try
Open the door and close it firmly again, making sure nothing is trapped.
When to call a technician
If the error repeats with the door properly closed, the lock mechanism needs replacing.