Miele Dishwasher Error Code F86

F86Miele Dishwasher

What this code means

Water intake fault: Heater pressure switch. Possible causes: Heater pressure switch defect; Water intake system failure

Next steps: diagnose the root cause

1
Verify the error code is active

Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.

2
Get the full diagnostic procedure

Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.

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What’s available for Miele dishwasher models

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Related Miele dishwasher error codes

F01Water/heating NTC or leads short-circuited - heating will not be activated and...F02Water/heating NTC or leads open-circuited - heating will not be activated and...F03Electronic failure, selector switch position not found. Possible causes:...F04Heating failure - heating circuit opened or defective electrical component in...F05Water drainage failure, heater pressure switch. Possible causes: Water drainage...F06Too few pulses at flow meter / start of water intake. Possible causes: Flow...F07Too few pulses at flow meter / end of water intake. Possible causes: Flow meter...F08Water intake failure, heater level switch. Possible causes: Water intake system...
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