Appliance Code Check

KitchenAid · Dishwasher

H20

Professional service recommended

error code

KitchenAid H20 means the dishwasher is not detecting water.

Market, product family, and model applicability

US · en-US · KitchenAid dishwashers covered by the official Product Help table covered by the cited official US support page

product family applicable: The official source applies at the product-family level. Exact controls can still vary by model.

Check the official model/manual lookup (opens in a new tab)

What you can do now

Make sure the dishwasher water supply is on and the accessible supply hose is not kinked.

  1. Make sure the dishwasher water supply is on and the accessible supply hose is not kinked.

Stop and get service when

Contact KitchenAid service if H20 persists after the documented checks.

  • Contact KitchenAid service if H20 persists.

Do not do

Do not access the inlet valve or internal water components.

Limit checks to the accessible supply valve and hose.

If the message returns

If H20 persists, contact KitchenAid service.

Source and scope

Official manufacturer source
Market and locale
US · en-US
Product family
dishwashers covered by the official Product Help table
Official source last checked
July 25, 2026
Review status
Automated evidence review completed · Owner-delegated approval

KitchenAid

Dishwasher Error Codes - Reading · Official error-code index

Open official source (opens in a new tab)

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