AquaUnique No Display / Power to Control

Softener display is blank or intermittent, but outlet has power

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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

Failed power adapter, Loose low-voltage connector, Internal fuse blown on control board, Failed display module

How to Fix / Troubleshooting

Safety first: Unplug the adapter before opening the control housing. Do not bypass internal fuses with improvised wiring.

Step-by-step:

  • Test adapter: Use a multimeter to verify the AquaUnique adapter outputs the correct voltage. Replace if dead.
  • Check connector: Ensure the low-voltage plug is fully seated in the control board.
  • Inspect for damage: Look for burn marks or a blown fuse on the board. Some fuses are replaceable; others require board replacement.

When to call a technician: If the adapter is good and connections are secure but the display remains blank, the control board or display module likely needs replacement.

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Repair Difficulty

Medium 3/5

Required Part

AquaUnique Power Adapter
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