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Dishwasher Detergent Cup Is Blocked Or Cannot Open Troubleshooting Guides

Published FixGraph guidance for diagnosing and responding to dishwasher detergent cup is blocked or cannot open.

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GE Dishwasher C8: Detergent Cup Blocked From Opening

On GE dishwashers that use this code, C8 means the detergent cup is blocked from opening fully; it is not a generic diagnosis that the dispenser motor, pump, or control board has failed. With the dishwasher stopped and safe to open, record the exact C8 display and model, remove only a visible dish, utensil, pod, or residue that is blocking the cup, then close and latch the door and wait about 30 seconds as GE directs.

GE · Dishwasher · Appliance Repair