Can I fix Samsung code 4C2 myself?

Start with these safe checks: Turn off both water valves and swap the hoses so cold goes to the cold inlet (blue) and hot to the hot inlet (red), then turn the water back on. Samsung says this code doesn't mean service is needed.

When should I call a technician for code 4C2?

Samsung says this code doesn't mean service is needed. Unplug it or switch the breaker off before you remove any panel. Don't test or replace wiring, control boards, heating elements or motors under power. If you see scorching, smell burning, or the breaker trips again, leave it off and call a qualified appliance technician or electrician.

Samsung Washer Error Code 4C2 / 4E2 / CE: Hot/cold water error

What 4C2 means

The water coming in on the cold supply is very hot. This almost always means the hot and cold hoses are swapped.

Also shown as: 4E2, CE, nF1, depending on the model.

Likely causes

Hot and cold supply hoses connected to the wrong inlets

Safe first checks

Turn off both water valves and swap the hoses so cold goes to the cold inlet (blue) and hot to the hot inlet (red), then turn the water back on.

When to stop

Samsung says this code doesn't mean service is needed.

Checked against: Samsung US: Washing machine information and error codes. Codes can differ by model and year, so confirm with your owner's manual.