Ascaso Auto-Fill System Overfill

Ascaso machine continues to fill boiler and may overflow into drip tray.

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.

Possible Causes

Stuck fill solenoid valve, Faulty level probe in boiler, Control board not sensing level, Scale on level probe

Immediate action: Turn off and unplug the machine if you see continuous filling or water from the safety valve.

Clean level probe: Remove and descale the boiler level probe, then reinstall.
Test fill solenoid: With the machine unplugged, verify that the fill solenoid valve is closed and not passing water. Replace if it leaks when de-energized.
Check wiring and board: Ensure the level probe wire is intact and connected. If the board does not respond to level changes, it may need replacement.

Hard 4/5

Boiler Level Probe / Fill Solenoid Valve

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