4E code on Samsung washer: what it means and how to fix it
Your Samsung washer starts a cycle, tries to fill, then stops with 4E on the display. Some models show 4C or 4C2 for the same water-fill fault. This page shows the safe checks first, then what a technician tests if the code comes back.
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A 4E code on a Samsung washer means the washer isn't sensing enough water coming in during fill, and newer displays may show 4C instead. The most common cause is a water-supply restriction, such as a partly closed tap, kinked hose, or clogged inlet mesh screen.
Check these first
Safe to do yourself. Unplug the appliance before you start.
- Open both water taps all the way
Make sure the hot and cold shutoff valves behind the washer are fully open. Samsung lists low pressure or low flow as the usual water-supply reason for 4E; the washer needs 0.5 to 8 bar at the inlet.
- Check the fill hoses
Look behind the washer for sharp bends, crushed spots, or damaged hoses. If the washer was just moved, confirm hot is on H or red, and cold is on C or blue; swapped hoses can make some Samsung cycles fail.
- Test hose flow into a bucket
Turn the taps off and unplug the washer. Remove each hose from the washer, aim it into a bucket, then open the tap for a moment; a weak stream points to the house supply, hose, or wall valve.
- Clean the inlet mesh screens
With the washer unplugged and the water off, remove the hoses from the washer inlets. Pull the small mesh screens out with needle-nose pliers, rinse them, then put them back. If a screen has holes, it should be replaced because grit can damage the inlet valve.
- Clean the detergent drawer path
Pull out the detergent drawer and rinse away packed detergent or softener. Occasionally, a blocked drawer path can trigger the related 4C fill code.
- Try cold and warm fills
Run a short fill on cold, then warm. A failure on one temperature points toward that side's hose, screen, or valve; a failure on every setting points farther inside the washer.
Conditions that make this more likely
Inlet screens clog quietly
The small mesh screens where the hoses meet the machine catch sediment and scale. On hard water or an older supply line, a screen can block enough within a few years to trigger a fill error. Cleaning them is a common fix.
Hard water makes this more likely
Water above about 7 grains per gallon counts as hard, and USGS maps put much of the Southwest, Texas, the Great Plains and the Midwest above that. Scale builds up on inlet screens, valves, heating elements and spray arms years sooner than the manuals assume. If you're on hard water and this fault points to a fill or heating part, mineral buildup is the first thing a technician will look for.
Boards fail earlier in hot rooms
Electronics are rated for room temperature. In a garage or an unconditioned laundry room in summer, a control board can sit well above that for hours a day. Before replacing a board, a good technician confirms the parts it controls test good, since a shorted pump or valve can take out a new board too.
What a technician tests
Most likely part first. These are for a technician with a meter and the tech sheet, not a weekend project.
Don't see your symptom?
Describe it on the phone. The company on the other end works on these every day and will know what to ask.
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Read the fix →Common questions about appliance repair
Will unplugging the washer clear a Samsung 4E code?
It can clear the display. It won't fix a closed tap, clogged screen, bad valve, or pressure hose leak, so the code often returns on the next fill.
Is the 4E code the same as 4C?
On many Samsung washers, yes. 4E is the older style code and 4C is the newer style for a water-fill problem.
Can I keep using the washer with a 4E code?
No. The washer may sit in fill, stop the cycle, or run the drain pump after the fault. Shut it off until the water supply issue is found.
Does this affect front-load and top-load Samsung washers?
The water supply checks are similar on both styles. Panel access and part layout differ by model, so internal tests should follow the model's tech sheet.
Should I replace the inlet valve first?
Only after the taps, hoses, and inlet screens check out. A technician can confirm the valve by testing coil resistance and checking whether 120 VAC reaches the valve during fill.
Still showing the problem after the checks?
Call and describe what you tried. You'll be connected with an independent repair company near you.