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Error code reference
Gaggenau Range Error Code F40
Locking mechanism information not available - the available query signals do not fulfil the criteria.
SourceGaggenau Range EB385/EB388 - Service Manualp. 19
Diagnostic procedure
The full F40 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 the door locking function and parameters with the customer service test programme, check wiring.
SourceGaggenau Range EB385/EB388 - Service Manualp. 19
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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