Miele Washer
Miele Washer F103 Error Code
What it means
Miele reports a fault with the M-Bus module.
Try this first
- Do not attempt an internal repair; arrange Miele service.
If the error keeps returning
Use the linked official Miele support article for the exact source guidance and model-specific details.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →