GE · Dishwasher
C8 Detergent cup blocked
What this code means
Something is preventing the detergent dispenser cup from opening or closing fully.
Most likely causes
- Debris or a misplaced dish blocking the detergent cup
What to try first
Check for anything blocking the detergent cup and keep large items clear of it when loading.
Good news: this one is often fixable without a service call. If it persists after the steps above, have it looked at.
FAQ
What does GE error code C8 mean?
Detergent cup blocked. Something is preventing the detergent dispenser cup from opening or closing fully.
Can I fix GE code C8 myself?
Often, yes. Check for anything blocking the detergent cup and keep large items clear of it when loading.
What causes GE code C8?
The most common causes are: debris or a misplaced dish blocking the detergent cup.
Other GE dishwasher codes
All GE dishwasher error codes →
Other dishwasher brands: Bosch · Whirlpool · KitchenAid · Samsung · LG · Maytag · Frigidaire · Generic · Electrolux · Kenmore
This information may contain errors or not apply to your exact model — always double-check it against your appliance's own manual before acting. If there's any chance of a gas, fire, electrical, carbon monoxide, or other safety hazard, stop and call a licensed professional or the appropriate agency (e.g. your gas utility) instead of relying on this page alone.