C6Medium
GE dishwasher error C6
C6 means the water never reached temperature, even after the dishwasher extended the cycle by 20 minutes to try.
Symptom
C6
Free checks
2 checks
Most likely cause
Heating element or thermostat has lost continuity
The 2 free checks
Start at the top. Unplug the machine first.
- 01
Run the hot tap at the kitchen sink for a minute, then measure the incoming water temperature with an accurate thermometer.
- 02
If the measured temperature is below 120°F, raise the household water heater setting in small increments to avoid scalding.
What causes it
Listed most likely first.
| Cause | How often | DIY |
|---|---|---|
| Heating element or thermostat has lost continuity | Most common | Call a pro |
| Water temperature sensor failed | — | Yes |
| Electronic control board failed | — | Call a pro |
If none of that fixed it
The stated check is continuity across the heating element and thermostat, which needs a meter.