Diagnostic decision tree for error C1
Confirm C1; verify GE and dishwasher; compare the observed symptom; complete accessible checks in order; stop and request service if the code persists or a stop condition appears.
Safe sequence
- 1Turn off power before inspecting drain connections.
- 2Clean the accessible air gap and confirm the drain hose is not kinked.
- 3Run the connected disposer and verify its dishwasher inlet is clear.
Stop and get qualified help when
- Water is leaking near electrical parts
- The code persists after accessible drain checks