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Samsung Dishwasher No Water: How to Fix

Quick Answer

Samsung Dishwasher NO-WATER: When a Samsung dishwasher starts a cycle but no water enters the tub, the machine is receiving power and the control board is operating, but the water inlet valve is not opening. Samsung dishwashers display a 4C or 4E error code for water supply failures - 4C is the current code on DW80R series, while 4E was used on older Samsung models. Both codes mean the same thing: the flow sensor or tub level sensor did not register a fill within the expected time. The most comm

Ignore this and you'll eventually burn out your heating element, which costs way more to fix than a $25 inlet valve. I've shown up to jobs where people ran three or four cycles trying to wait it out and ended up with a toasted heater. Samsung's pretty aggressive about protecting itself from dry-fire, so the 4C code is actually doing you a favor. Just don't keep overriding it.

SamsungDishwasherSeverity: highDifficulty: intermediate83% DIY Success
Time to Fix
30–90 min
Difficulty
intermediate
Parts Cost
$20 – $55
Tools Needed
Phillips #2 screwdriver, Adjustable wrench or channel-lock pliers

What Does the NO-WATER Code Mean?

Before you go buying a new control board, know that nine times out of ten this is a simple mechanical flow problem. I usually start with the mesh screen inside the inlet valve. It's this tiny little filter that catches sediment, and on Samsung units even a small amount of grit can trigger a full shutdown. Replaced three of these screens just last week alone.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Clogged inlet valve screen (partial or full blockage)40%
Water supply shutoff valve closed or restricted24%
Water inlet valve solenoid failure14%
Household water pressure below 20 PSI12%
Flow meter failure (Samsung-specific component)10%

Symptoms You May Notice

  • 4C or 4E error code flashes on the display within the first 4 minutes of any wash cycle
  • You hit start, hear the pump prime for a second, and then nothing. No water sound, no spray, just silence and then the error.
  • Completely dry tub when you open the door after the code. Nothing got sprayed, no puddles, nothing.
  • Code clears on restart, runs another 4 minutes, then fails at exactly the same point every single time.
  • Faint hissing or trickling noise but no actual wash spray, like water's trying to get in but something's restricting it.

Can you reset a Samsung dishwasher to clear the NO-WATER code?

Hold the Start or Cancel button for 3 seconds to clear the display. But also do a hard reset at the breaker. Flip it off for a full 60 seconds so the capacitors drain and the board fully reinitializes. This recalibrates the flow meter baseline. After you restore power, run a short rinse cycle to confirm water's actually entering the tub before you call it fixed.

Tools Required for Diagnosis

Phillips #2 screwdriverAdjustable wrench or channel-lock pliersNeedle-nose pliersDigital multimeterFlashlight or headlampShallow pan or dish tubOld towels

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

ComponentComponent Under Test
Expected Range9001200 ohms
ConditionIf Open (OL) or infinite, replace component.

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name
Water Inlet ValveDD62-00084A · $25–$55
Flow Meter SensorDD82-01255A · $20–$40

Frequently Asked Questions

What is the difference between Samsung error 4C and 4E?
They're essentially the same fault, just a labeling change Samsung made between model generations. On older units like the DW80K series you'll see 4E. On the newer DW80R or DW80T models it shows as 4C. Both mean the same thing: the board didn't see enough water move through the flow meter during the fill window. Whether it's 4C or 4E, your diagnostic steps are identical. Check the supply valve, clean the inlet screen, and test the solenoid.
Why does my Samsung dishwasher show 4C even though I can hear some water entering?
This trips up a lot of people. You hear a faint hiss or a bit of splashing and think it can't be a water supply problem. But Samsung's board requires a specific fill volume, roughly 1.2 liters, within the first few minutes. If the flow is too restricted, the meter won't spin fast enough to register that volume in time and it throws 4C anyway. A partially clogged screen or a failing pressure regulator can cause exactly this scenario where water's trickling in but not fast enough to satisfy the sensor.
How do I reset the 4C error code on my Samsung dishwasher?
Hold Start or Cancel until the display changes. But honestly, a button reset doesn't fix anything. If there's grit in your valve or the solenoid's failing, the dishwasher will error out again about four minutes into the next cycle. For a proper reset, kill power at the breaker for 60 full seconds. This lets the capacitors on the board drain completely so the logic actually reinitializes. After that, address the underlying cause or it'll just keep coming back.
How much does it cost to fix a Samsung 4C error?
Depends entirely on what's causing it. If it's the inlet screen, it's free, you're just cleaning it. New inlet valve is $25 to $45 for the part and you can install it yourself in about 20 minutes. Flow meter runs $40 to $70. If you're calling a tech, add $80 to $150 in labor on top of parts. Honestly most people can handle the screen cleaning and the valve swap without any help. The flow meter's a bit more involved but still a reasonable DIY job if you're comfortable pulling the dishwasher out.
Can I just keep resetting the 4C code and keep running the dishwasher?
Don't. Seriously. Samsung's heating element fires up assuming water is already in the tub. If you keep forcing cycles and the fill isn't happening properly, you're going to burn out that element. That turns a $25 inlet valve repair into a $150 to $200 heating element replacement. The 4C code is the machine protecting itself from exactly that scenario. Let it do its job and fix the actual problem first.

Related Samsung Dishwasher Error Codes

Same Fix Works on These Brands

Samsung shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

Models Known to Experience NO-WATER Errors

This repair applies to most Samsung dishwashers with this error code. Common model numbers include:

DW80R9950US, DW80R7060US, DW80R5060US, DW80R2031US, DW80K7050US, DW80K5050US, DW80R2031WS, DW80T5040US

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Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 14, 2026