Cycle times are much longer than normal; dishwasher seems to run endlessly

Safety first: No internal work is required initially.

• Check water temperature: Run the hot tap at the sink until water is hot before starting the dishwasher. This reduces heating time.
• Observe heating: During a hot program, open the door briefly (with caution) to confirm the water is hot. If not, suspect a heater issue.
• Clean sensors: Clean filters and sump to ensure turbidity and temperature sensors are not fouled.
• Reset appliance: Disconnect power for 10 minutes to reset control logic.