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Error code reference
Bosch Dishwasher Error Code F5
Valve leakage - more than 80 pulses detected when the inlet valve is deactivated; any programme in progress is interrupted (drain pump activated).
SourceBosch Dishwasher - Service Manual: DW20 Series (DW20.1-DW20.5, DW20.C)p. 43
Diagnostic procedure
The full F5 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: Leakage through inlet valve, flow sensor.
SourceBosch Dishwasher - Service Manual: DW20 Series (DW20.1-DW20.5, DW20.C)p. 43
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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