A ge dishwasher leak detected alert – sometimes displayed as a 999 code on units with GE’s Floor Protect leak-detection system – means a sensor built into the base pan of the dishwasher has found standing water where none should be. Rather than continuing to fill or wash while water pools underneath the unit, the control board halts the cycle and, on many models, shuts off the water inlet valve and activates the drain pump to remove what has collected. This is a genuine safety feature, engineered specifically to catch a leak before it reaches flooring or cabinetry, not a nuisance alert to dismiss.
What causes a leak-detected alert
- A worn, cracked, or torn door gasket that lets water escape during the wash or rinse cycle
- A loose or degraded hose connection at the water inlet valve or drain pump
- Excess suds overflowing the tub, which the sensor can register in the same way as an actual leak
- A cracked tub, sump, or spray arm allowing water to leak internally into the base pan
- A failing leak sensor itself, occasionally triggering with no water actually present
First checks you can do
- Open the dishwasher and inspect the door gasket for visible cracks, tears, or gaps around its full circumference
- With the power off, check underneath and around the base of the unit for dampness or standing water
- Confirm you are using dishwasher-specific detergent, not dish soap, since dish soap produces excess suds that can trigger a false leak reading
- Look at the water inlet connection and hose fittings behind the lower access panel for visible drips
Why this is not a code to reset repeatedly
Because a ge dishwasher leak detected alert specifically means real or sensed water was found, resetting the dishwasher and running it again without checking for the source risks letting an actual leak continue unnoticed, potentially warping flooring or damaging cabinetry over weeks before it becomes visible from the outside. Treat the alert as an early warning worth investigating fully, even on the occasions the eventual cause turns out to be a sensor reading a small amount of suds rather than a real leak.
When to call a technician
If you have checked the gasket, hose connections, and detergent type and the ge dishwasher leak detected alert keeps returning, the tub, sump, or leak sensor itself likely needs professional inspection. Our dishwasher repair technicians can pinpoint whether the leak is coming from the door seal, a hose, or the tub, and confirm whether the sensor is reading correctly. You can review other documented alerts at /error-codes/dishwasher/.
How to prevent it going forward
Use only dishwasher-formulated detergent measured to the recommended amount, inspect the door gasket periodically for wear, and avoid overloading the rack in a way that blocks the door from sealing fully. Catching a worn gasket early is far less disruptive than dealing with a leak that has already reached the floor, and it complements the routine covered in our GE dishwasher maintenance guide.
Floor Protect on older versus newer models
Not every GE dishwasher includes the same generation of Floor Protect hardware, and older units may use a simpler float-style sensor rather than the full pan sensor found on newer models, but the underlying principle is the same across the lineup: standing water where it should not be halts the cycle. Whichever version your unit uses, the response to the alert should be the same – inspect before resetting and running another load.
Quick summary
In short, a ge dishwasher leak detected alert means the unit sensed water where it should not be, and the fastest path to a fix is checking the door gasket, hose connections, and detergent type before assuming the sensor itself is responsible, since those three checks together resolve the majority of reported cases.
If you suspect a real leak or the alert keeps returning, our experienced, independent technicians can diagnose and repair the issue properly. Schedule service at /schedule/. General product information is available at geappliances.com.
