GE dishwasher C8 code: detergent cup cannot open

The detergent cup could not open fully during the cycle. A tall dish, utensil or pan handle is usually blocking the cup lid.

Likely causes

Listed from most to least common.

1. Tall item on the bottom rack blocking the cup lid
2. Utensil or dish slipped in front of the cup
3. Caked detergent jamming the lid
4. Cup latch or lid broken

How to fix the C8 code

1. 1

   Step 1: Remove the obstruction

   Open the door and move any dish, pan or utensil that sits in front of the detergent cup.

2. 2

   Step 2: Close and wait

   Close and latch the door, then wait 30 seconds for the code to clear.

3. 3

   Step 3: Clean the cup

   If the lid sticks, wipe old detergent from the cup and hinge with a damp cloth.

You'll need: Damp cloth.

Parts that may need replacing

Check your model number on the label inside the door or on the back before ordering.

• GE dishwasher detergent dispenserCheck prices

When to call a technician

If nothing blocks the cup and the lid still will not open, the dispenser may be faulty. A technician can replace it.

A typical repair for this code costs Up to $200 in the US, including parts and labor. Prices vary by area and model.

Models this applies to

• GE built-in dishwashers (GDT, GDF, GDP series)
• GE Profile dishwashers (PDT series)
• Café dishwashers (CDT series)

Codes can differ slightly between models. Your owner's manual is the final word and is available from GE support.

Common questions