GE Appliances dishwasher C8: dispenser blocked
C8 means: Detergent cup blocked / dispenser did not open (on some models: water still too cold).
How to fix C8
- Load so nothing blocks the dispenser door.
- Clean the dispenser and latch with hot water.
- Replace the dispenser assembly if the latch is broken.
When to stop and call a repairer
Nothing dangerous here.
What it costs
Parts: Dispenser $30 to $60.
Service: A home visit from an appliance technician runs $120 to $250 for diagnosis plus the part. Boards are the expensive part; sensors and switches are cheap.
Worth repairing? Yes.
How to check the error log
On most GE dishwashers, hold Start for 5 seconds with the door open to enter the service menu; on models with a hidden display, press Select Cycle and Start together for 5 seconds. The last error shows on the display. Turn power off at the breaker for 60 seconds to reset the board.
Clear the log after a repair so you can tell whether the fault has really gone.
FAQ
What does C8 mean on the GE Appliances dishwasher?
Detergent cup blocked / dispenser did not open (on some models: water still too cold). The dispenser door could not open, usually because a dish or pan is in front of it, or dried detergent has jammed the latch.
Can I fix C8 myself?
DIY difficulty: easy. Load so nothing blocks the dispenser door. Clean the dispenser and latch with hot water.
How much does it cost to fix C8?
Dispenser $30 to $60. A home visit from an appliance technician runs $120 to $250 for diagnosis plus the part. Boards are the expensive part; sensors and switches are cheap.
Is it worth repairing?
Yes.
Code meanings are compiled from manufacturer service references and repair documentation for the GDT / GDF / GDP / Profile / Cafe; fixes follow documented repairs and owner reports. Model revisions can differ. If your appliance is under warranty, contact the manufacturer before opening it.