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Error code reference
Miele Dishwasher Error Code F78
Circulation pump fault; interrupted connection between the electronic and the door contact switch or faulty circulation pump.
SourceMiele Generation 6000 Dishwashers - Service Manual (DW G6XXX)Section 001-3.26
Diagnostic procedure
The full F78 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 for supply voltage: measure at electronic (SLT) output/input, wiring harness, and circulation pump.
SourceMiele Generation 6000 Dishwashers - Service Manual (DW G6XXX)Section 001-3.26
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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