ERROR CODE EXPLAINED
GE Dishwasher
GE Dishwasher Cup Open Error Code
What it means
GE says CUP OPEN means the detergent cup is not closed.
Try this first
- Add detergent if needed and latch the detergent cup closed.
- GE says pressing Start again without opening the door can override the message.
- If the message persists despite a properly latched cup, schedule service.
Can I keep using it?⚠ GE says CUP OPEN means the detergent cup is not closed.
Repair usually required?⚠ Follow only the manufacturer-backed checks listed on this page before replacing parts.
If the error keeps returning
Use the linked official manufacturer support source for additional model-specific guidance.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.