Dishwasher displays HO and cycle time is extended; unit may pause waiting for hot water.

Safety First: Be cautious of hot water when testing temperature.

• 1. Preheat hot water: Run the hot water at the kitchen sink until it is as hot as it gets, then start the dishwasher. This reduces HO occurrences.
• 2. Check water heater setting: Ensure the household water heater is set to at least 120°F (49°C).
• 3. Confirm heating function: If HO persists even with hot incoming water, test the dishwasher’s heating element and temperature sensor as described for the i60 error.

If the heater and sensor are good, the control board may be mismanaging heat cycles and should be evaluated by a technician.