Bosch Dishwasher Error Codes
Bosch dishwasher error codes are early warning signs that something in the dishwasher is not working the way it should. On this page, you can check common Bosch dishwasher codes, what they usually mean, and whether the issue may be related to drainage, water supply, sensors, heating, or electronic faults. If the code keeps coming back or the dishwasher is not running properly, call (281) 916-3118 to schedule service.
| Error Code | Description | Severity | Info |
|---|---|---|---|
| E01 | Pump circuit failure or heating issue | High | Read More |
| E02 | Heater relay fault or heating issue | High | Read More |
| E03 | Auxiliary heater relay fault or water inlet valve failure | High | Read More |
| E04 | Heating fault or water issue | High | Read More |
| E05 | Water switch Triac fault or float issue | Medium | Read More |
| E06 | Door mechanism failure or aqua sensor fault | Medium | Read More |
| E07 | Drying fault | Low | Read More |
| E08 | Loss of water | High | Read More |
| E09 | Heating fault | High | Read More |
| E10 & E12 | Slow heating | Medium | Read More |
| E11 | Thermistor or temperature sensor fault | High | Read More |
| E13 | Water temperature is too hot | Critical | Read More |
| E14 | Water inlet fault | High | Read More |
| E15 | Dishwasher is leaking | Critical | Read More |
| E16 | Water inlet fault | High | Read More |
| E17 & E18 | Not enough water | Medium | Read More |
| E19, E20, E21 | Heating issue | High | Read More |
| E22 | Blocked filter | Low | Read More |
| E23, E24, E25 | Drain pump failure or clogged drain hose | High | Read More |
| E26 | Diverter motor fault; check the diverter valve | Medium | Read More |
| E27 | Undervoltage error; check the power voltage | Medium | Read More |
| E28 | Aqua sensor fault | Medium | Read More |
| E29 | Low mains voltage error; check the power voltage | Medium | Read More |