GE Dishwasher Error Code C8: Meaning & How to Fix It

By the ErrorCodePro Editorial Team · Last reviewed October 20, 2026

GE dishwasher error code C8 means: The detergent cup is blocked from opening fully. [1] Keep using it? Yes. Start with the owner checks below, beginning with: remove the obstruction.

Quick facts

Code	C8
Also shown as	None listed by the manufacturer
Brand / appliance	GE dishwasher
System	Dispenser
Official meaning	The detergent cup is blocked from opening fully. [1]
Keep using it?	Yes
DIY-safe?	Owner checks only (listed below)
Support	GE Appliances service

On this page: Meaning · Steps · Parts · When to call a technician · Related codes · FAQ

What error code C8 means on a GE dishwasher

The detergent cup is blocked from opening fully. [1]

This is a dispenser code. Codes and wording can vary by model, so check your owner's manual for your model number.

How to fix GE dishwasher error code C8 (safe owner checks)

Safety first: disconnect power before you remove any panel or reach into the sump or drum. Do not touch wiring, the control board or the motor. If you see water near electrical parts, stop and call a technician. These steps are based on GE's published guidance [1], rewritten for clarity.

Remove the obstruction. Move whatever is blocking the cup (silverware or a pan).
Wait. Close and latch the door, then wait 30 seconds for the cup to open.

Parts that may be involved

Exact parts depend on your model number. This page lists part types only, never part numbers.

No specific part is implied by the manufacturer's guidance for this code.

When to call a technician

Anything involving wiring, the control board, the motor or the water valve electrics
The appliance is under warranty: contact GE Appliances service first

Frequently asked questions

What does error code C8 mean on a GE dishwasher?

GE lists C8 as follows: The detergent cup is blocked from opening fully.

Is it safe to keep using the dishwasher with C8?

Yes.

Can I fix GE dishwasher error C8 myself?

Only with the owner checks on this page, starting with: remove the obstruction. If it persists, call a technician or GE Appliances service.

Sources

GE Appliances: Dishwasher Error, Fault or Function Codes (official)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with GE.