Bosch washing machines may have different error codes depending on the model and series. Below is a list of common Bosch washing machine error codes and their meanings. Please note that this list may not be exhaustive, and it's essential to refer to your specific model's user manual for accurate information.

1. E01: Door is not closed properly.
2. E02: Water supply issue – check water inlet valve, water supply, and water pressure.
3. E03: Not draining – check for blockages in the drain pump or the drain hose.
4. E04: Door is not locking properly.
5. E05: Overheating – check for issues with the NTC (temperature sensor) or the heating element.
6. E06: Motor tacho fault – potential problems with the motor or motor connections.
7. E07: Fault with the triac on the electronic module – may require a professional technician.
8. E08: Motor fault – check for issues with the motor or motor connections.
9. E09: Water heating fault – issues with the heating element or NTC.
10. E10: Dispenser issue – check for blockages in the detergent dispenser or a faulty dispenser motor.
11. E11: Faulty dryer heater or NTC in dryer.
12. E12: NTC (temperature sensor) fault in the dryer.
13. E13: Dispenser issue – detergent drawer is not closed or is blocked.
14. E14: Dispenser issue – fabric conditioner compartment is blocked.
15. E16: Door lock problem – door is not closing or locking correctly.
16. E17: Water level too high – check for issues with the pressure sensor or pressure chamber.
17. E18: Pump time exceeded – check for blockages in the drain pump or drain hose.
18. E19: Fan error – check for issues with the dryer fan or NTC.
19. E23: Drain pump relay on the electronic module is faulty.
20. E24: Drain pump relay on the electronic module is faulty (for some models).
21. E27: Door lock error – door is not closing or locking correctly.
22. E29: NTC error in the dryer.

Remember that this list is not exhaustive, and error codes may vary depending on the specific model of your Bosch washing machine. Refer to your washing machine's user manual or contact Bosch customer support for model-specific information.