Samsung Washer Error Code 4C2: How to Fix It
Easy 30-45 minutes Medium Severity
Verified June 2026
- Error Code
- 4C2
- Brand
- Samsung
- Product Type
- washer
- Severity
- Medium
- DIY Difficulty
- Easy
- Estimated Fix Time
- 30-45 minutes
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Tools You'll Need
- Adjustable pliers
- Thermometer (optional)
How to Fix Error Code 4C2
-
Turn off and unplug the washer
Always disconnect power before working on any electrical appliance to prevent shock hazards. -
Check water temperature at the faucets
-
Inspect water hose connections
-
Swap hose connections if reversed
Don't overtighten connections as this can damage the threads or crush the rubber washers. -
Check your water heater temperature
-
Test the water inlet valve
-
Reset and test the washer
Parts You May Need
Water inlet valve
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Water supply hoses
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Water inlet valve
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Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water supply hoses
Check Price on Amazon
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When to Call a Professional
Call a professional if the water inlet valve needs replacement, if you're uncomfortable working with plumbing connections, or if the error persists after checking all connections and water heater settings. Also contact a plumber if your home's hot and cold water lines are incorrectly installed throughout the house.Frequently Asked Questions
What does Samsung washer error code 4C2 mean?
Error code 4C2 means the cold water supply is extremely hot, indicating either reversed hot/cold water connections or an overheated water supply. This protects your washer from damage caused by excessive water temperature.
Can I still use my Samsung washer with 4C2 error?
No, you should not use the washer until the 4C2 error is resolved. The error prevents the wash cycle from starting to protect the washer's internal components and your clothes from damage caused by excessively hot water.
How do I know if my washer hoses are reversed?
Check that the cold water hose (usually with a blue collar) connects to the cold inlet marked 'C' on your washer, and the hot water hose (usually red collar) connects to the 'H' inlet. Also test the actual water temperature at nearby faucets to verify your home's plumbing.
Why is my cold water coming out hot?
Cold water may be hot due to reversed plumbing connections, a malfunctioning water heater with cross-connected pipes, or a water heater set at an extremely high temperature. Check your water heater settings and test water temperature at other faucets in your home.
Will 4C2 error damage my Samsung washer?
The 4C2 error actually prevents damage by stopping the wash cycle when hot water is detected in the cold inlet. However, ignoring this error or bypassing it could lead to damage to internal components, seals, and your clothing.