F9 / 9E
LG Diverter / Water Level Error (Model-Dependent)

Dishwasher shows F9 or 9E; may be related to diverter or water level depending on model.

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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

Faulty diverter motor, Stuck diverter disk, Faulty pressure sensor, Wiring harness issue

How to Fix / Troubleshooting

Safety first: Disconnect power and water.

  • Check sump and diverter: Remove filters and inspect the sump for debris. From below, inspect the diverter/vario motor and disk for jams.
  • Inspect pressure sensor (if applicable): Check the pressure sensor hose for blockages.

Because F9/9E meanings vary by model, consult the service manual. Often the fix involves replacing the diverter motor or pressure sensor.

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Repair Difficulty

Hard 4/5

Required Part

Diverter Motor or Pressure Sensor
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