GE Dishwasher 999 error code

The 999 code has two meanings depending on the model. On dishwashers with the Floor Protect with Alert feature, it signals a possible leak and the unit will not start. On all other models, it simply means the unit's control needs to be reset.

Last updated: September 30, 2026

Quick answer: GE dishwasher error code 999: possible leak on Floor Protect models; control reset on others. The most common cause is possible leak detected by the Floor Protect system. Try this first — reset the control (non-Floor Protect models). If that does not clear it, treat 999 as a leak alert on Floor Protect models.

What causes the 999 error?

  • Possible leak detected by the Floor Protect system
  • Control glitch requiring a reset on non-Floor Protect models

How to fix GE 999 — step by step

Work through these in order, from simplest and safest first. Stop as soon as the code clears.

  1. Reset the control (non-Floor Protect models)
    Cut power at the circuit breaker for a minute or two to reset the control, then restore power and restart the dishwasher.
    Safety warning: Do not attempt a reset on a Floor Protect model showing 999 — see below.
  2. Treat 999 as a leak alert on Floor Protect models
    On models with Floor Protect with Alert, the dishwasher will not start with this code. Check for water under and around the unit and contact service.
    Safety warning: Turn off power at the breaker and shut off the water supply valve before investigating.
Related guide: Dishwasher troubleshooting — fix common problems, with links to every dishwasher error code we cover.

When to call a technician

Stop and call a qualified technician if any of these apply:
  • 999 appears on a Floor Protect with Alert model — contact service
  • 999 remains after a control reset on other models

Frequently asked questions

What does 999 mean on a GE dishwasher?

On models with Floor Protect with Alert, 999 means a possible leak was detected and the unit will not start — call service. On other models, it means the control needs a reset.

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.

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