GE dishwasher error code

H2O

Low water detected

The dishwasher sensed that not enough water came in.

Try these free fixes first

Unplug the dishwasher before opening any panel.

  1. Make sure the water supply valve under the sink is fully open.
  2. Check the inlet hose for kinks.
  3. Restart the cycle.
  4. If it only happens on the 1-Hour Wash cycle, note that and schedule service.

Still showing H2O?

If the supply is on and the hose is clear, a technician should check the water inlet valve.

Water inlet valveCheck that the part matches your exact model number (usually on a sticker inside the door or on the back).Find the part
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Questions people ask

What does H2O mean on a GE dishwasher?

H2O on a GE dishwasher means: low water detected. The dishwasher sensed that not enough water came in.

How do I fix GE dishwasher error H2O?

Make sure the water supply valve under the sink is fully open. Check the inlet hose for kinks. Restart the cycle. If it only happens on the 1-Hour Wash cycle, note that and schedule service.

When should I call a repair technician?

If the supply is on and the hose is clear, a technician should check the water inlet valve.

Related dishwasher codes

Samsung 4CDishwasher: Water supply problemSamsung 9EDishwasher: Not enough waterLG IEDishwasher: Not enough water fillingLG FEDishwasher: Too much water in tubBosch E14Dishwasher: Flow meter or fill problemBosch E16Dishwasher: Water filling problem

Source: GE official support · Reviewed 2026-10-01