Samsung Washer 4C2 Error Code: What It Means & How to Fix It

4C2 = Hot and cold hoses are swapped. 4C2 means the water coming through the cold inlet is very hot. According to Samsung, that almost always means the supply hoses are switched. It isn't a fault in the machine, and Samsung says it doesn't need service.

Can you fix it yourself? Yes

Also shown as: 4E2, CE, 14C2, nF1

Check your model: Error codes can mean different things on different Samsung models. Find your model number (usually on a sticker inside the door or lid, or on the back) and confirm the code in your user manual.

Safety first: Unplug the appliance (or switch off its breaker) before you remove panels, filters or hoses. Turn off the water supply valves before you disconnect any hose, and keep a towel and shallow pan handy. Never work on wiring, gas lines or sealed refrigerator systems yourself.

Quick checks (2 minutes)

Is the red hose on the red (hot) inlet and the blue hose on the blue (cold) inlet?
Was the washer recently installed or moved?

How to fix Samsung Washer 4C2

Turn off both supply valves.
Unplug the washer.
Swap the hoses so cold connects to cold and hot connects to hot, matching blue to blue and red to red.
Hand-tighten each coupling, then give it a quarter turn with pliers. Don't overtighten it.
Open the valves, check for drips, plug back in and run a short cycle.

Still showing 4C2?

If the hoses are on the correct inlets and the code returns, contact Samsung support. The code may be coming from a sensor.

Likely part if the basics don't fix it:

Check price on Amazon: washer hose set

Repair or replace?

If the appliance is under warranty, call Samsung first, since a repair may be free. Out of warranty, a common rule of thumb is to compare the repair quote with the cost of a new unit and the appliance's age before deciding.

Want a pro to handle it?

Get free quotes from local appliance repair technicians.

FAQ

Does 4C2 mean my washer is broken?

No. Samsung says this code does not indicate that service is needed. It's an installation issue.

How do I tell which inlet is hot?

Inlets are usually marked with color (red/blue) or letters (H/C) on the back of the washer.

Source

Code meaning and official steps from: https://www.samsung.com/us/support/troubleshoot/TSG10000997/. Last verified 2026-10-21.