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Error code reference
Miele Washer Error Code F4
The drum and drives are not moving as determined by the Tachogenerator.
SourceMiele W1900 Series Washers - Service Manual (6 Models)p. 52
Diagnostic procedure
The full F4 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check drum and drives for free movement, check the Tachogenerator circuit, check the Main Motor for proper operation.
SourceMiele W1900 Series Washers - Service Manual (6 Models)p. 52
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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