KitchenAid Dishwasher Display H2O: water not detected during fill

What H2O means

On KitchenAid built-in dishwashers with the F#E# control, such as the KDTM404KPS and KDFE104HPS, H2O on the display means the dishwasher is not detecting water. It is the same condition as F8E1. The cycle waits instead of washing. You see H2O and no water fills the tub. Ensure the supply is on and the hose has no kinks, then press Start to resume.

Common causes of H2O

The water supply to the dishwasher is shut off.
The supply hose is kinked.
The fill valve is not letting water through.

✓ One safe check you can try

1. Open the shutoff valve under the sink fully. 2. Check the supply hose for kinks. 3. Run the kitchen faucet to confirm water flows. 4. Shut the door and press Start. 5. Watch whether the dishwasher fills and resumes; if H2O stays, call us.

! Why to stop there

A closed valve or a kink is a free fix.
If water arrives at the machine and H2O stays, the fill valve or sensing needs testing.
The price comes in writing first; the repair is covered for 30 days.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Dishwasher codes

Glowing RedKitchenAid Dishwasher Sani Rinse Glowing Red: end-of-Cycle sanitize indicator Sanitize Light FlashingKitchenAid Dishwasher Sanitize Light Flashing: sanitization temperature not met Sanitized light blinking (legacy)KitchenAid Legacy Dishwasher Sanitized Light Blinking: load is not sanitized Start/Resume light blinking (legacy and current)KitchenAid Dishwasher Start/Resume Light Blinking: cycle paused, press within 4 seconds F7E2KitchenAid Dishwasher Code F7E2: wash motor error F8E1KitchenAid Dishwasher Code F8E1: not detecting water, same as H2O F8E2KitchenAid Dishwasher Code F8E2: fill valve electrical error F8E4KitchenAid Dishwasher Code F8E4: water in the base, drain sequence runs

H2OH2O questions

What does H2O mean?

The dishwasher does not see water coming in. The fill step cannot finish, so the cycle waits. That matches the F8E1 message. H2O is just the short spelling.

What should I do first?

Check the shutoff valve and supply hose, then press Start. The dishwasher will attempt to fill and resume if water is available. Both take less than a minute to check.

When is H2O a repair?

When water is on, the hose is clear and H2O persists. We test the fill path, give a written price first, and cover the repair for 30 days.