Miele Dishwasher F24 Error – Stops Mid Cycle (Heater Relay Repair)
This Miele F24 error repair involved a dishwasher that would begin a cycle but stop shortly after and display the F24 error code. The customer contacted us after repeated failed attempts to restart the unit.
We see this issue fairly often on Miele dishwashers — especially when the heating circuit starts failing intermittently before fully breaking down.
Issue – Miele F24 Error Code
The Miele F24 error typically indicates a problem within the heating circuit. In this case, the dishwasher would fill and begin operation but stop mid-cycle, triggering the fault.
Diagnosis
During diagnosis, we tested the heating element, heater relay, and pressure switch circuit. Electrical testing confirmed failure within the heater relay assembly, preventing proper heating detection.
Repair Performed
We replaced the faulty heater relay and pressure switch components, then verified all electrical connections and system operation.
- Confirmed Miele F24 heating fault
- Tested heater relay circuit
- Replaced defective heater relay
- Replaced pressure switch as required
- Tested full wash cycle for proper heating
Result
The dishwasher completed full cycles without errors. Heating performance was restored and verified under normal operation.