GE Dishwasher Inverter (WD21X22398)

The GE Dishwasher Inverter controls the speed and power delivered to the wash pump motor, allowing the dishwasher to adjust water pressure and spray intensity throughout the cycle. It converts incoming electrical power into the precise output needed to run the pump efficiently at different stages of washing and rinsing.

The GE Dishwasher Inverter can fail due to power surges, heat buildup over time, moisture exposure, or general electrical wear. When the inverter stops working correctly, the pump motor may not receive the right signal to operate, causing wash performance to drop or the dishwasher to stop running altogether.

Look for these symptoms to help determine if the inverter is the cause of your dishwasher problem:

- Dishwasher stops mid-cycle without completing the wash or rinse

- Dishes come out dirty or poorly rinsed after a full cycle

- Wash pump runs at the wrong speed or makes unusual sounds

- Dishwasher hums but water does not circulate through the spray arms

- Control panel shows an error code related to the motor or pump

- Dishwasher will not start even though the door is latched and settings are selected

- Intermittent operation where the dishwasher works sometimes but fails unpredictably