Judo Display Power / Connection Issue

Judo softener display is blank or intermittently turns off, but power outlet is live

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

Loose low-voltage connector, Failing Judo power adapter, Internal display PCB fault, Moisture ingress into control head

Safety first: Unplug the adapter before opening the control housing.

Check adapter output: Test the Judo power adapter with a multimeter. Replace if voltage is outside the specified range.
Inspect connectors: Open the control head and reseat the power and display connectors. Look for corrosion or moisture.
Dry moisture: If condensation is present, gently dry the area and improve ventilation around the unit.
Replace display module: If power is present at the board but the display remains blank, replace the Judo display module.

Medium 3/5

Judo display module

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