Dishwasher shows E16 and may stop during a cycle; sometimes associated with overfilling or drain issues on certain SMEG models.

Safety first: Unplug the appliance and ensure the water inside is cool.

• Clean filters and drain: Remove and clean the sump filters and check the drain hose and sink spigot for blockages.
• Inspect pressure system: Access the pressure switch and hose. Clean the hose and air trap as described for E5.
• Check for simultaneous fill and drain: During a test cycle, listen to confirm that the inlet valve and drain pump are not running at the same time. If they are, this points to a control board issue.
• Replace faulty components: If the pressure switch is sticking or misreading, replace it. Persistent E16 after these checks may require control board replacement.