Error code · Indesit
F9 · Door not properly closed
The door is not fully closed, which interrupts the cycle. Ensure the door is closed until you hear a click.
DishwasherCaution — Know When to StopFixLens verified
Safe first steps
- Check if the door is fully closed and latched.
- Listen for a click sound when closing the door.
- Inspect the door latch for any obstructions or damage.
- If the door latch is damaged, do not use the dishwasher and arrange for a service visit.
When to stop
- Stop if the door does not close properly or if the latch is visibly damaged — risk of flooding or appliance malfunction.
Likely cause
The door is not fully closed, which interrupts the cycle. Ensure the door is closed until you hear a click.
Verification
Reviewed by: automated manual extraction
Verified against Indesit DFO 3T133 A F technical documentation
FixLens publishes its own structured technical logic verified against Indesit DFO 3T133 A F documentation · last verified April 23, 2026.
Official manufacturer support