GE Dishwasher Error Code C6: Meaning & How to Fix It

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

GE dishwasher error code C6 means: The incoming water temperature is too low (GE recommends at least 120 °F). [1] Keep using it? Yes. Start with the owner checks below, beginning with: purge cold water.

Quick facts

Code	C6
Also shown as	None listed by the manufacturer
Brand / appliance	GE dishwasher
System	Heating
Official meaning	The incoming water temperature is too low (GE recommends at least 120 °F). [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 C6 means on a GE dishwasher

The incoming water temperature is too low (GE recommends at least 120 °F). [1]

This is a heating 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 C6 (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.

Purge cold water. Run the nearest faucet until it runs hot before starting.
Check the water heater. Adjust the water heater temperature setting.
Avoid competing use. Don't run the washer or showers at the same time.

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 C6 mean on a GE dishwasher?

GE lists C6 as follows: The incoming water temperature is too low (GE recommends at least 120 °F).

Is it safe to keep using the dishwasher with C6?

Yes.

Can I fix GE dishwasher error C6 myself?

Only with the owner checks on this page, starting with: purge cold water. 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.