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Error code reference
Miele Washer Error Code F4144
Door lock switch S3 does not switch or motor thermostat F3 has tripped; door locking not registered after 2 locking attempts.
SourceMiele PW 6xx7 Commercial Washer - Service Manualp. 56
Diagnostic procedure
The full F4144 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 N1L_ST3, A2, S3.
SourceMiele PW 6xx7 Commercial Washer - Service Manualp. 56
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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Where this code is documented
1 manual in the MyPros+ library documents this code for Miele washer.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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