RRepairGraph
GE · Dishwasher · C8

Meaning explained

The detergent cup is blocked from opening fully.

Diagnostic nodeC8MEANING
!
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

Meaning explained for error C8

GE defines C8 for this dishwasher coverage as: The detergent cup is blocked from opening fully. The code is a diagnostic starting point, not proof that a particular component has failed.

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