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Error Code

GE Ice Maker C4 Error Code

C4 on a GE ice maker is commonly associated with: Overfill/float/drain-sump condition; unit filled twice after power failure or float/drain issue. Exact meaning can vary by model family — confirm against your model documentation.

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Last reviewed August 12, 2026

Michael Reeves Written by Michael Reeves Appliance Repair Content Specialist Published August 12, 2026 Technically reviewed August 12, 2026

Content status: Verified

Error code C4
Appliance Dishwasher
Quick answer

C4 — Overfill/float/drain-sump condition; unit filled twice after power failure or float/drain issue

Model compatibility: GE reuses codes across series and model years, so C4 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

Overfill/float/drain-sump condition; unit filled twice after power failure or float/drain issue

Signs

Symptoms you may notice

  • Error or fault indication for code C4
  • Performance symptoms matching this fault family
Why it happens

Possible causes

  • Component or sensor condition described as: Overfill/float/drain-sump condition; unit filled twice after power failure or float/drain issue
  • Model-family specific control response
Before you call

Safe checks you can make

These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.

  • Record the full model and serial numbers
  • Power-cycle once if the manual allows it for this code
  • Stop use if you smell burning, see sparks, or find water near electrics

Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.

Please avoid

What not to attempt

  • Do not open internal panels or access high-voltage components
  • Do not bypass safety switches or interlocks
Get help

When to call a technician

If the code returns after safe checks, or the appliance will not run normally, book a diagnosis.

Seeing this code on your GE appliance?

Book a specialist visit for a clear estimate and approval before any repair. Independent service — not an official GE service center.

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FAQ

Frequently asked questions

References

Sources & references

  • GE Appliances publicly available support / service documentation (consolidated master set)

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