How to Fix Maytag Dishwasher Error 3-3

Error Code: Dishwasher Difficulty: Easy

Problem: OWI failed to calibrate or drain hose check valve issue

How to Fix Dishwasher Error

1. Turn off power and water supply to the dishwasher.
2. Remove the lower access panel.
3. Check the drain hose routing for proper high loop installation.
4. Inspect the drain hose check valve for debris or damage.
5. Remove the drain hose from air gap or sink connection.
6. Flush the drain hose with hot water to remove obstructions.
7. If the check valve is faulty, replace the entire drain hose assembly.
8. Test the OWI (turbidity) sensor operation by running calibration cycle.
9. If the sensor fails calibration repeatedly, replace the OWI sensor assembly.
10. Clear error codes and verify proper operation.