Miele Dishwasher Error Code F70

• Dishwasher starts but stops mid-cycle
• Water is noticeably cold during wash cycles
• Error code F70 displays on the control panel
• Dishes and glassware come out wet or inadequately cleaned
• Drying function does not activate
• Appliance may not complete any wash program

• Faulty heating element (common failure on 120V USA models)
• Malfunctioning temperature sensor or NTC thermistor
• Broken wire or loose electrical connection to heating element
• Control board failure preventing heating circuit activation
• Water supply line blocked or water pressure too low
• Scale or mineral buildup on heating element from hard water
• Defective inlet valve not allowing proper water flow
• Tripped thermal overload switch on heating element

• Check your home circuit breaker panel and reset the breaker serving the dishwasher if it has tripped
• Verify the water supply shut-off valve behind or under the sink is fully open (turn counterclockwise)
• Open the dishwasher door and inspect the filter at the bottom for food debris, hair, or blockages and clean if necessary
• Check that the spray arms on the upper and lower levels rotate freely and are not blocked by dishes or buildup
• Ensure the dishwasher door closes completely and latches with an audible click
• Perform a complete reset by switching off the circuit breaker for 60 seconds, then switch it back on and allow the dishwasher to power up
• Run a short test cycle to see if error F70 clears after reset
• If error persists after these checks, contact a certified Miele service technician as the heating element or control board likely requires professional replacement