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GE Appliances dishwasher error code

GE Appliances dishwasher code C4: Float switch stuck or drain/sump clogged

GE dishwashers with electronic controls

What C4 means

The machine filled twice after a power failure, the float switch is stuck or failed, or the drain or sump is clogged.

Likely causes

  • Stuck float
  • Debris in the sump area
  • Clogged drain

Safe first checks

  1. Touch Start and then Cancel/Reset.
  2. Tap the float cover (the plastic upside-down cup in the front left corner of the tub floor) so the float can move freely.
  3. Check the sump area at the back bottom of the tub for debris.

When to stop

If the problem persists, contact service.

Checked against: GE Appliances: Dishwasher - Error, Fault or Function Codes. Codes can differ by model and year, so confirm with your owner's manual.