Home › Dishwashers › GE › Cup Open
GE Dishwasher Cup Open Error Code
Detergent cup not closed. Here is what it means and how to clear it, easiest fix first.
The dishwasher sees that the detergent cup is open at the start of a cycle.
GE notes that not every code appears on every model; check your owner's manual.
How to fix GE Cup Open
Close the cup
Add detergent and press the lid down (or slide or turn it, depending on the cup type) until it latches.
Override if needed
If you meant to run without detergent, press Start again to continue without reopening the door.
When to call a technician
If the message stays with the cup latched, schedule service.
Parts that commonly cause Cup Open
- detergent dispenser
Order parts by your exact model number so they fit.
Other GE dishwasher codes
- C1 / C2Draining is taking too long
- C3 / FTD / F56Dishwasher won't drain
- C4Overfill float stuck or sump clogged
- C5Drain time too short (underfill)
- C6Incoming water too cold
- C7Temperature sensor circuit fault
- C8Detergent cup blocked
- H2OLow water
- PrSPressure sensor signal fault
- LEAK DETECTEDLeak sensor found water
- 999Control needs a reset (or leak on some models)
- PFPower failure
- Start/Reset light blinkingCycle reset or interrupted
Frequently asked questions
What does Cup Open mean on a GE dishwasher?
The dishwasher sees that the detergent cup is open at the start of a cycle.
Can I fix GE Cup Open myself?
Usually, yes. Most Cup Open problems clear with simple checks you can do at home. Start with the first step above: close the cup.
What if Cup Open keeps coming back?
A code that returns after a reset and the checks above usually means a part is wearing out. Note when Cup Open appears (which cycle, how often) and have your model number ready; it helps a technician bring the right part on the first visit.
Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.