Thermador Dishwasher Error Codes
| Fault Code | Cause | Solution |
|---|---|---|
| E04 | Float Switch Activated | Check for water leaks at the base of the dishwasher and dry the area. Ensure the unit is level. |
| E12 | Limescale Buildup in Heating System | Run a descaling cycle using a dishwasher-safe descaling agent. |
| E14 | Flow Meter Failure | Ensure proper water supply and reset the dishwasher. If the error persists, consult a technician. |
| E15 | Water Leakage Detected | Disconnect power, inspect for leaks, and dry the base. Contact support if necessary. |
| E16 or E17 | Water Inlet Issue | Check water supply, clean the inlet filter, and inspect for kinks in the hose. |
| E18 | Insufficient Water Supply | Ensure the water tap is fully open and the inlet hose is not clogged. |
| E22 / E-22 | Clogged Filter | Remove and clean the filter under running water. |
| E23 | Drain Pump Failure | Inspect the drain pump for obstructions or damage. |
| E24 / E-24 | Drain Hose Blocked or Kinked | Check and straighten the drain hose. Remove any obstructions. |
| E25 / E-25 | Drain Pump Blocked | Remove and clean the drain pump. Securely reattach the pump cover. |
| E27 | Voltage Issue | Check the power source and circuit breaker. |
| E0100 – E0110 | Internal control module errors | Power cycle the unit and contact support if the issue persists. |
| E2030 – E2060 | Communication errors between components | A technician may be required. |
| E2120 – E2130 | Sensor failures | Inspect wiring and replace faulty sensors if needed. |
| E3000 – E3200 | Control board issues | Reset the dishwasher and seek professional service if necessary. |
| E3300 & E3400 | Heating system faults | Run a maintenance cycle and check for limescale buildup. |
| E6001 – E6900 | Motor or circulation pump errors | Inspect and clean the circulation system. |
| E8000 – E9001 | Software or firmware malfunctions | Reset the unit and update firmware if available. |
| E9240 / E92-40 | Door lock issues | Ensure the door closes properly. |
| Refill Indicator “5” | Rinse-Aid Refill Required | Refill the rinse-aid compartment. |
| Refill Indicator “6” | Salt Refill Required | Refill the water softener salt. |
For any error code not listed or unresolved issues, contact Thermador Customer Support at 1-800-735-4328 for professional assistance.