RRepairGraph
GE · Dishwasher · C8

Possible causes

The detergent cup is blocked from opening fully.

Diagnostic nodeC8CAUSES
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Use this as a diagnostic branchConfirm the exact model manual before ordering parts or opening the appliance.

Coverage: Selected GE dishwashers with detergent-cup monitoring.

GUIDANCE

Possible causes for error C8

Published guidance and the observed behavior point to these possibilities: Silverware blocks the dispenser; A pan or handle obstructs the cup; Dish loading prevents full movement. Check accessible conditions before considering a component fault.

Safe sequence

  1. 1Turn off the dishwasher before rearranging sharp items.
  2. 2Remove cookware or utensils that touch the detergent cup.
  3. 3Close and latch the door, then run a short test cycle.

Stop and get qualified help when

  • The dispenser is cracked or mechanically jammed
  • C8 returns with the cup completely unobstructed
Primary sourceGE Appliances — dishwasher fault codes ↗Verified 2026-07-17 · manufacturer