Miele Washing Machine Error Code F43
Appliance model not programmed
The control electronics are not coded to a specific model, so the machine does not know its own configuration and stops with F43. This typically appears after a board replacement that was not programmed, or after a memory fault wiped the model code.
What Does Error Code F43 Mean on a Miele Washing Machine?
Appliance model not programmed.
The control electronics are not coded to a specific model, so the machine does not know its own configuration and stops with F43. This typically appears after a board replacement that was not programmed, or after a memory fault wiped the model code.
What Causes Error Code F43?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Replacement board not coded to model 60% of cases
- 2 Model data lost from memory 30% of cases
- 3 Programming interrupted 10% of cases
How to Fix Miele Washing Machine Error Code F43
- 1
Confirm recent board work
F43 almost always follows a control-board swap that skipped the model coding step.
- 2
Program the control
The electronic unit must be coded to the exact model by Miele service tooling.
How to Reset Error Code F43
F43 is not user-resettable — the control must be programmed to the model by Miele service.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
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When to Call a Professional
Model coding requires Miele service tooling — always authorized service.
Related Error Codes
Same Code on Other Brands
Error code F43 appears on these other brands too. See every brand that shows F43 →
Find Replacement Parts
Use these links to find the exact replacement parts for your Miele Washing Machine:
External links — ApplianceErrors.com is not affiliated with these retailers.
More Miele Washing Machine Error Codes
Frequently Asked Questions
What does error code F43 mean on a Miele Washing Machine? +
How do I fix error code F43 on my Miele Washing Machine? +
How do I clear or reset error code F43? +
Is error code F43 serious? +
Sources & References
- • Miele Customer Support — official manufacturer documentation
- • Our editorial & verification policy
Content verified against manufacturer service documentation. Last verified: June 14, 2026.