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GE · Dishwasher

GE Dishwasher error C8

The detergent cup is blocked from opening fully.

Error codeC8
Usually safe to checkGE states that C8 indicates an obstruction preventing the detergent cup from opening completely, commonly a pan, utensil or incorrectly loaded item.

Coverage: Selected GE dishwashers with detergent-cup monitoring.

What this code usually means

GE states that C8 indicates an obstruction preventing the detergent cup from opening completely, commonly a pan, utensil or incorrectly loaded item.

BrandGE
ApplianceDishwasher
ConfidenceManufacturer sourced

Safe checks, in order

  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.

Common symptoms

  • Detergent remains in the cup
  • The cup is only partly open
  • C8 appears during or after the cycle

Possible causes

  • Silverware blocks the dispenser
  • A pan or handle obstructs the cup
  • Dish loading prevents full movement

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