RRepairGraph
GE · Dishwasher · C8

Diagnostic decision tree

The detergent cup is blocked from opening fully.

Diagnostic nodeC8DECISION-TREE
!
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

Diagnostic decision tree for error C8

Confirm C8; verify GE and dishwasher; compare the observed symptom; complete accessible checks in order; stop and request service if the code persists or a stop condition appears.

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