Skip to main contentStart diagnosing 05 on your Thermador washer
What this code means
Drum motor erratic. Possible causes: Motor drive circuit (Triac) has failed; Drum drive motor has failed; Reversing relays have failed
Next steps: diagnose the root cause
1
Verify the error code is active
Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.
2
Get the full diagnostic procedure
Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.
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What’s available for Thermador washer models
Access Thermador washer service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.