F79
Miele
Circulation Pump Communication Fault
F79 displayed; dishwasher may stop mid-cycle and not resume.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Faulty electronic communication between control board and pump, Defective pump electronics, Damaged wiring harness
How to Fix / Troubleshooting
Safety: Disconnect mains power.
- Inspect harness: Check the wiring between the main control board and the circulation pump for cuts, pinches, or loose connectors.
- Check for moisture: Look for water ingress around the pump connector and dry thoroughly.
- Reset appliance: After inspection, reconnect power and attempt a short cycle.
- Replace pump or board: If F79 persists, replace the circulation pump (with integrated electronics). If the fault remains even with a new pump, the main control board may need replacement.
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Repair Difficulty
Professional Required
5/5
Required Part
Circulation Pump with Integrated Electronics
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