Baumatic Dishwasher Error Codes: Complete Guide to Fixing Common Dishwasher Faults in London
Baumatic dishwashers are efficient and stylish kitchen appliances widely used across London homes. However, like all dishwashers, they can sometimes show error codes that help identify issues such as water inlet problems, drainage faults, heating or sensor failures, and electronic malfunctions. Below you’ll find a complete list of Baumatic dishwasher error codes, their meanings, and simple fixes you can try before calling a professional engineer.
Common Baumatic Dishwasher Error Codes and Fixes
E1 – Water Inlet Error
- Meaning: The dishwasher is not filling with water within the allowed time.
- Fix: Check that the water tap is open and that there’s sufficient water pressure. Inspect the inlet hose for kinks or blockages and clean the inlet filter. If water still does not enter, the inlet valve may need replacement.
E2 – Drain Error
- Meaning: The dishwasher cannot drain water properly within the expected time.
- Fix: Check that the drain hose is not kinked or blocked. Clean the drain pump filter and ensure the pump is working. Make sure the waste outlet isn’t obstructed.
E3 – Heating Error
- Meaning: The heating element or temperature sensor (NTC) has failed or is not connected correctly.
- Fix: Disconnect power, test the heating element with a multimeter, and check the thermistor’s resistance. Replace any faulty parts as necessary.
E4 – Overflow / Overfilling Error
- Meaning: The water level inside the dishwasher is too high, or the overflow protection has been triggered.
- Fix: Turn off the water supply and power. Check the inlet valve for leaks or continuous flow. Inspect the float switch and pressure chamber for blockages or stuck parts. Ensure correct hose installation to avoid backflow.
E5 – Programme Not Finishing
- Meaning: The dishwasher is unable to complete its cycle, often due to a control board or sensor fault.
- Fix: Turn the dishwasher off for 10 minutes to reset it. If the problem persists, the control board (PCB) may need replacement by a qualified technician.
E6 – Thermistor Open-Circuit Error
- Meaning: The thermistor (temperature sensor) is open circuit and not sending any signal.
- Fix: Test the sensor with a multimeter; if resistance is infinite or abnormal, replace it. Check wiring for loose or broken connections.
E7 – Thermistor Short-Circuit Error
- Meaning: The thermistor or temperature sensor is short-circuited, giving incorrect readings.
- Fix: Test the sensor and wiring for damage. Replace the thermistor if the resistance reading is too low or zero.
E8 – Water Flow or Secondary Drain Error
- Meaning: Some Baumatic models display E8 when abnormal water circulation, partial drainage, or flow sensor issues are detected.
- Fix: Clean the filters and spray arms, check that the drain hose and pump are clear, and inspect the water level or flow sensor for blockages.
Err1 – Long Fill Time
- Meaning: On certain older Baumatic models, “Err1” means the dishwasher took too long to fill with water (similar to E1).
- Fix: Ensure the tap is open, the inlet hose isn’t kinked, and the water pressure is sufficient. Clean the inlet filter and check the valve for faults.
Err2 – Long Drain Time
- Meaning: The dishwasher takes too long to drain, indicating partial blockage or weak pump operation.
- Fix: Clean the drain filter, inspect the hose for bends or clogs, and ensure the drain pump impeller rotates freely. Replace the pump if it doesn’t run properly.
Service Code 10 – End of Test Cycle
- Meaning: Displayed at the end of a diagnostic test or service cycle; not an error.
- Fix: None required. Indicates the end of the service programme.
Service Code 11 – Drain Pump Test
- Meaning: Part of the diagnostic cycle where the drain pump runs to check performance.
- Fix: If water is not draining during this test, inspect the pump for blockages or electrical failure.
Service Code 12 – Regeneration Valve Test
- Meaning: Tests the regeneration unit or softener valve function (in models with a built-in water softener).
- Fix: If regeneration doesn’t trigger, check the valve and control wiring for faults.
Service Code 13 – Heating Element Test
- Meaning: The dishwasher runs the wash pump and heating element briefly to verify heater performance.
- Fix: If water does not heat, check the element resistance and relay output on the PCB.
Service Code 14 – Detergent Dispenser Test
- Meaning: Tests whether the detergent dispenser door opens correctly.
- Fix: If the dispenser doesn’t open, check the actuator coil, wiring, and dispenser assembly for wear or damage.
Safety Advice
If your Baumatic dishwasher keeps displaying the same error after resetting, stop using it until the issue is fixed. Repeated operation with a fault can lead to flooding, electrical damage, or overheating. Always disconnect the appliance from the mains before inspecting or cleaning internal parts.
Professional Baumatic Dishwasher Repair in London
At London Appliance Repair, our certified engineers specialise in repairing all Baumatic dishwasher models quickly and safely. Whether it’s an E1 water inlet problem, an E3 heating issue, or a complex PCB error, we provide expert diagnostics and genuine replacement parts.
- Same-day and next-day service across London
- Qualified local engineers
- Genuine Baumatic spare parts
- Transparent fixed-price repairs
Book your Baumatic dishwasher repair in London today and get your appliance working perfectly again.





