Error code

Whirlpool dishwasher error code H20

Snap a photo — see what it is, how urgent, who to call.

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Is H20 on a Whirlpool dishwasher an emergency?

Usually not an emergency. If it smells like burning, sparks, or trips the breaker, switch it off at the breaker and leave it off until it is checked.

Take the photo. We’ll tell you what it is.

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What H20 means

“Not Detecting Water”

— Whirlpool, Dishwasher Error Codes - Reading. Codes vary by model: check your dishwasher’s own manual.

Where H20 fits

Next to H20 in Whirlpool’s table: F6E1 (User Interface Error, Main Control).

What to try first

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

Safety: If it smells like burning, sparks, or trips the breaker, switch it off at the breaker and leave it off until it is checked.

How urgent is it?

At least THIS WEEK. fixRAgent treats this code as a this-week repair: the appliance has reported a fault, but the code alone does not point at a safety hazard. This is fixRAgent’s reading, not the manufacturer’s. A photo can raise it — water near wiring, scorch marks, a gas smell — but a code never lowers what the photo shows.

Who to call

Appliance repair. Have the model and serial numbers from the label ready — a photo of the label works.

Recalls and manuals

Check whether your model is under a safety recall on the U.S. Consumer Product Safety Commission’s site: cpsc.gov/Recalls. Your owner’s manual is on Whirlpool’s support site; search it with the model number from the label.