how to unclog dishwasher 

1. Run hot water before starting.

2. Check for food debris in the drain.

3. Clean dishwasher filter regularly.

4. Use vinegar to break down clogs.

5. Inspect spray arms for blockages.

6. Remove and clean the dishwasher spray nozzles.

7. Scrub the dishwasher interior with a brush.

8. Ensure proper loading of dishes.