i51
Zanussi
Circulation Pump Electrical Fault
Dishwasher displays i51 and circulation pump does not run.
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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
Open‑circuit circulation pump motor, Seized pump impeller, Damaged wiring to circulation pump, Failed triac on control board
How to Fix / Troubleshooting
Safety first: Unplug the dishwasher and close the water tap. Lay down towels before tilting the appliance.
- Access pump: Remove the base panel to access the circulation pump assembly.
- Check for leaks and corrosion: Water leaks can damage the pump and wiring. Repair any leaks first.
- Spin impeller: Try to rotate the impeller by hand (with power disconnected). If seized, the pump must be replaced.
- Electrical test: Measure the resistance of the pump windings. An open circuit indicates a failed motor.
- Replace assembly: If faulty, replace the circulation pump/heater assembly with a compatible Zanussi part.
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Repair Difficulty
Professional Required
5/5
Required Part
Circulation Pump
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