RRepairGraph
GE · Dishwasher · C8

Before requesting service

The detergent cup is blocked from opening fully.

Diagnostic nodeC8BEFORE-SERVICE
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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

Before requesting service for error C8

Before requesting service, record the model number, code, cycle stage and visible symptoms. Complete only these safe checks: Turn off the dishwasher before rearranging sharp items.; Remove cookware or utensils that touch the detergent cup.; Close and latch the door, then run a short test cycle..

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