C4 Error Code
📋 What Does C4 Mean?
Water overfill or drainage error.
🔍 Common Causes
- 1Drain hose kinked or clogged
- 2Garbage disposal knockout plug not removed (new installations)
- 3Faulty drain pump
📞 When to Call a Pro
If drain hose is clear and pump hums but does not drain, pump replacement needed.
🔧 DIY Fix Steps
- 1Inspect drain hose for kinks
- 2Clear any food debris from drain filter at bottom of dishwasher
- 3If newly installed, check that knockout plug in garbage disposal was removed
- 4Pour water in tub and run drain cycle to test pump
Frequently Asked Questions
What does C4 mean on a Ge dishwasher?
Water overfill or drainage error.
Can I fix C4 myself?
Yes, in many cases. Start with: inspect drain hose for kinks If that does not resolve it, if drain hose is clear and pump hums but does not drain, pump replacement needed.
How much does it cost to repair error C4?
Estimated repair cost: $100–$250. This varies by region and technician.
Tools That Help With This Diagnosis
Basic troubleshooting tools grouped separately from the actual error-code explanation.
Multimeters
Useful for basic electrical checks when the repair path calls for it and the unit is safely isolated.
Driver sets
Useful when the first obstacle is simply reaching the part or hose involved.
Cleanup tools
Useful for drain and leak faults where standing water hides the problem.
Related Pages
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Browse related codes for the same brand and appliance family.
OP code page
Open another nearby code that often appears in the same troubleshooting path.
Troubleshooting guide hub
Open broader diagnosis, symptom, and first-step guides.
Diagnostic tools
See basic tools that help without mixing them into the code explanation itself.
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