Maytag dishwasher error code
H2O
No water detected
The dishwasher is not detecting water, so it has paused because it cannot fill.
Also shown on some Maytag models as: H20
Try these free fixes first
Unplug the dishwasher before opening any panel.
- Make sure the water supply valve to the dishwasher is fully open.
- Check the supply line under the sink for kinks.
- Press Start to resume the cycle once water supply is restored.
Still showing H2O?
If water is on and the line is clear, a technician should check the water inlet (fill) 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
Prefer a pro?Compare quotes from local appliance repair services.Get repair quotes (soon)
Questions people ask
What does H2O mean on a Maytag dishwasher?
H2O on a Maytag dishwasher means: no water detected. The dishwasher is not detecting water, so it has paused because it cannot fill.
How do I fix Maytag dishwasher error H2O?
Make sure the water supply valve to the dishwasher is fully open. Check the supply line under the sink for kinks. Press Start to resume the cycle once water supply is restored.
When should I call a repair technician?
If water is on and the line is clear, a technician should check the water inlet (fill) 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 problemSource: Maytag official support · Reviewed 2026-10-01