Maytag Dishwasher H2O error code
The dishwasher isn't detecting water entering the tub. The fill valve opened but the expected water level never arrived, so the cycle paused to protect the pump.
Last updated: September 30, 2026
What causes the H2O error?
- Water supply valve to the dishwasher turned off
- Kinked water supply hose
- Failed water inlet valve
- Low household water pressure
How to fix Maytag H2O — step by step
Work through these in order, from simplest and safest first. Stop as soon as the code clears.
- Confirm the water supply is on
Make sure the water shutoff valve under the sink is fully open and the supply hose has no kinks. - Press Start to resume
Once the supply is confirmed, press Start — the cycle should resume if water is now reaching the unit.
When to call a technician
- Water supply is fine but the code persists
- No water enters even with the valve open
- You suspect the inlet valve needs replacement
Frequently asked questions
Why did my dishwasher suddenly stop filling?
The most common cause is a shutoff valve that got bumped closed during sink work, or a kinked supply hose after the dishwasher was pulled out.
Sources
Every meaning and fix above was checked against official manufacturer documentation:
FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.
Related error codes
All Dishwasher error codes across brands · All Maytag codes →