Error code

GE dishwasher error code H2O

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Is H2O on a GE 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 H2O means

“This indicates a low water situation.”

— GE Appliances, Dishwasher - Error, Fault or Function Codes. Codes vary by model: check your dishwasher’s own manual.

Where H2O fits

In plain words, H2O is about the water supply or level — too little water arrived, or the level sensor reads wrong.

GE gives 2 other water supply codes for this dishwasher: C4 (Machine filled twice after a power failure), PrS (pressure sensor is sending an invalid signal to the control).

Next to H2O in GE’s table: 999 (Possible leak detected on models with "Floor Protect with Alert" feature) and PrS (pressure sensor is sending an invalid signal to the control).

What to try first

  • Make sure the water supply valve to the dishwasher is fully on.

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 GE’s support site; search it with the model number from the label.