C4
What code C4 means on a Kenmore dishwashers, what causes it, and which part to check first.
● SEVERITY: LOW
Kenmore C4 means: Dishwasher overfilled. The documented cause is: Cancel the cycle and if the dishwasher doesn't then drain, do the troubleshooting for the C3 (Won't drain) error code.
What C4 means
Dishwasher overfilled
The display shows C4 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Cancel the cycle and if the dishwasher doesn't then drain, do the troubleshooting for the C3 (Won't drain) error code |
| If the dishwasher drains when you cancel the cycle, check for an item stuck under the overfill float |
| Unplug the dishwasher and check the overfill float switch for damage |
| Replace the overfill float switch if damaged |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. The heating element and the wash water can stay hot long after the cycle ends.
What to check, in order
From the quickest check to the one that needs a technician.
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Frequently asked questions
What does C4 mean on a Kenmore?
Dishwasher overfilled The documented cause is: Cancel the cycle and if the dishwasher doesn't then drain, do the troubleshooting for the C3 (Won't drain) error code. If the dishwasher drains when you cancel the cycle, check for an item stuck under the overfill float. Unplug the dishwasher and check the overfill float switch for damage. Replace the overfill float switch if damaged
Can I fix C4 myself?
It depends on the part involved: Cancel the cycle and if the dishwasher doesn't then drain, do the troubleshooting for the C3 (Won't drain) error code. If the dishwasher drains when you cancel the cycle, check for an item stuck under the overfill float. Unplug the dishwasher and check the overfill float switch for damage. Replace the overfill float switch if damaged Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Kenmore use other codes on this appliance?
Yes: we document 13 other codes for Kenmore on this dishwashers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.