C2Medium
GE dishwasher error C2
C2 means the drain line is totally blocked: the dishwasher could not pump the water out within its 405-second maximum.
Symptom
C2
Free checks
3 checks
Most likely cause
Debris or a blockage in the drain line
The 3 free checks
Start at the top. Unplug the machine first.
- 01
Check the drain line and the pump drain valve for debris and blockage.
- 02
If a garbage disposal has just been installed, check its knock-out plug for the dishwasher drain was removed — an easy miss that blocks the drain completely.
- 03
Clear any clogs from the sink drain or garbage disposal connection the dishwasher empties into.
What causes it
Listed most likely first.
| Cause | How often | DIY |
|---|---|---|
| Debris or a blockage in the drain line | Most common | Yes |
| Blocked drain valve in the pump | Common | Call a pro |
| Knock-out plug left in place after a new garbage disposal was fitted | Common | Yes |