F8
Monogram Turbidity Sensor Fault

Dishwasher displays F8; may indicate a turbidity or soil sensor issue.

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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

Dirty turbidity sensor lens in Monogram sump, Failed turbidity sensor, Wiring harness issue

How to Fix / Troubleshooting

Safety: Turn off power before accessing the sump.

  • Locate turbidity sensor: Usually mounted in the side of the sump with a clear lens into the water path.
  • Clean sensor lens: Gently wipe the lens with a soft cloth and warm water to remove film or debris.
  • Inspect wiring: Ensure the connector is secure and wires are not damaged.

If cleaning does not clear the F8 code, replace the turbidity sensor.

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Repair Difficulty

Medium 3/5

Required Part

Turbidity Sensor
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