GE · Dishwasher Minor

888 — Display Self-Test / Demo

All segments lit ('888' or all icons on) is normally a display self-test at power-up. If it stays on, the unit may be in showroom/demo mode or the user-interface board has failed.

Keep using it?
Yes — fix when convenient
DIY difficulty
Easy
Verified against
geappliances.com ↗

How to fix it

  1. Power-cycle at the breaker for 1 minute, restore power, and watch the boot-up self-test (~5 seconds is normal).
  2. Consult the model's Owner's Manual for the demo-mode exit sequence (often Heated Dry + Start held 5 seconds).
  3. If the display stays solid, remove the inner door panel and reseat the ribbon cable between the UI and main control.
  4. Replace the UI/console board if buttons still don't respond.

Why it happens

Typical signs: All segments stay lit on display · Buttons don't respond · Cycle won't start

  • Showroom/demo mode enabled Floor-model demo mode never turned off after delivery.
  • UI board fault Console electronics failed and all outputs are stuck on.
  • Ribbon cable to UI loose Cable between control and console partially unseated.

More GE dishwasher codes

1h 1h — Delay Start Active C1 C1 Error — Slow Drain (Over 2 Minutes) C2 C2 Error — Drain Cycle Too Long (Over 7 Minutes) C4 C4 — Overfill / Filled Twice After Power Loss C5 C5 — Underfill / Short Drain Time C7 C7 — Water Temperature Sensor (Thermistor) Fault

All GE codes → All dishwasher codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: geappliances.com.