Samsung washing machine errors and error codes: useful guide

On Samsung washing machines, the display does more than show numbers: it also acts as a diagnostic panel that warns when something deviates from normal. A number, a letter, or a blinking light can point to anything from a closed water tap to an unbalanced drum, an excessive amount of foam, an overheated interior, or a communication problem between electronic boards. Understanding that difference saves time, water, unnecessary wear, and needless trips to the repair shop.

Most of those warnings do not signal a serious breakdown. Many are solved with simple household checks, such as inspecting the hoses, cleaning the filters, checking the door latch, leveling the machine, redistributing the laundry, reducing the detergent, or confirming that the water pressure is sufficient. Others, however, point to an electrical fault, a pump, a sensor, a motor, an inverter, or another internal component and should be treated more cautiously.

If you have a problem with your washing machine, you can use our free error code finder. From there you can identify and solve all errors easily and effectively.

What the Samsung washing machine display reveals when the cycle stops

Modern Samsung washing machines include a self-diagnostic system that translates mechanical and electronic faults into short, readable warnings. That language is brief, almost telegraphic, but very useful: it indicates whether there is no water, the drain is blocked, the door did not close properly, the load is unevenly distributed, the temperature is out of range, the voltage is unstable, or two electronic modules are no longer communicating correctly.

The goal is not to alarm the user, but to narrow down the source of the problem quickly. The washing machine needs to fill, move, drain, and spin in a precise order. If one of those phases gets stuck, the rest stops to avoid greater damage. The drum does not spin like a free wheel; the valve, pump, sensors, motor, door lock, and control board work together as a small control team.

It is worth reading Samsung warnings as context clues, not as absolute verdicts. The same code can appear for different causes depending on the model, year of manufacture, equipment family, or program in use. Samsung uses slightly different nomenclature on some versions, so the serial number and the specific manual remain relevant. Even so, the logic behind the messages usually repeats: water intake, drainage, door closure, balance, temperature, electronics, voltage, and safety lock.

There is also a practical detail that often goes unnoticed. After certain warnings appear, some buttons may remain inactive for a few minutes. On some models, the temporary protection lasts three minutes. This is not an arbitrary lockout or another breakdown, but a safety period that prevents abrupt restarts while the system decides whether the fault is temporary or persistent. If the water supply returns to normal, the cycle may resume without further problems.

The most common Samsung washing machine error codes

When no water enters: 4C, 4E, and E1

The codes 4C, 4E, and E1 usually appear when the washing machine cannot fill the drum or tub at the expected speed. The cause can be as simple as a closed water shutoff valve, a half-open faucet, insufficient pressure in the home supply, or a hose crushed behind the cabinet.

The first check is therefore external. Confirm that the faucet is open completely and that water is available elsewhere in the home. Inspect the inlet hose along its entire length. A kink or crushed section can restrict the flow enough for the washing machine to interpret the situation as a failed water supply. Check the connections as well, particularly after a recent installation or after the appliance has been moved.

The water inlet mesh filter also deserves attention. This small screen accumulates sand, limescale, and other impurities over time. When it becomes clogged, water enters in fits and starts, and the washing machine takes longer than it should to fill. The result may resemble a valve failure, although the real problem is simply a narrow passage through which the flow cannot pass easily.

In homes with irregular water pressure, supply interruptions, or older plumbing, the warning may appear intermittently and disappear on the next attempt, as if the machine were unsure whether to continue or stop. That does not mean the code should be ignored. A recurring warning still indicates that the filling conditions are outside the expected range.

On some models, the hot and cold water connections should not be crossed. A hose connected to the wrong tap or an incorrect installation may not always prevent the machine from washing, but it can alter the system’s readings and cause strange behavior, particularly in a newly installed appliance. Checking the hose connections is therefore important before suspecting an internal component.

After the alert appears, some buttons may remain disabled for approximately three minutes. This temporary protection prevents the user from forcing the appliance while it is still waiting for water or evaluating the supply. If the tap is open, the pressure is adequate, the hose is straight, and the mesh filter is clean but the code continues, suspicion shifts to the solenoid valve or the pressure sensor. Those components generally require a more precise technical diagnosis.

When water will not drain: 5C, 5E, SE, and SC

If the washing machine finishes the wash but the drum is still full of water, the codes 5C, 5E, SE, and SC typically indicate a drainage problem. The pump or drain hose is not expelling the water normally, so the cycle cannot move safely to the next stage, especially spinning.

The symptom is easy to recognize. The cycle takes longer than usual, the clothes come out soaked and heavy, and the machine appears unable to begin spinning. Sometimes the drum is left with cold water and the laundry has the texture of a sponge that has only been partially wrung out. The panel may show the code immediately, or the machine may first spend an unusually long time trying to empty itself.

The most common cause is a blockage in the pump filter. Lint, coins, buttons, hairpins, fabric debris, and other small objects can accumulate for months without being noticed. Before inspecting the filter, follow the safety instructions in the model manual, switch off the washing machine, disconnect it from the electrical supply, and be prepared for residual water to come out. The filter should be cleaned carefully rather than forced.

Inspect the drain hose as well. If it is twisted, crushed, incorrectly inserted, or positioned too low, the machine may detect that emptying is not progressing correctly. A hose resting on the floor or poorly inserted into the drain can interfere with proper water circulation. That small installation mistake may seem insignificant, but to the washer it is like trying to breathe through a crushed straw.

When the filter is already clean and the hose has no folds or blockages, the drain pump becomes the main suspect. If you hear a humming sound but the water does not go down, the problem may be in the pump impeller, the pump motor, or the internal housing. When the warning persists after cleaning the filter and straightening the hose, the electronics that control the pump may also need to be checked.

Repeating cycles without correcting the cause only adds moisture, odor, and wear. Water left inside the appliance can also lead to more residue and put unnecessary strain on the pump motor. A washing machine that takes longer than usual to move toward spinning is often warning in advance, even before displaying the error. Samsung prefers to stop rather than force the pump to work under unsuitable conditions.

Door open, trapped clothing, and safety lockouts: dC, dE, DDC, and ddC

The codes dC and dE refer to a door that did not close properly or cannot lock as it should. The cause is not always a damaged lock. A shirt or other garment may be trapped in the gasket, the rubber seal may be dirty, or an uneven floor may prevent the door from aligning precisely with the latch.

The door on a modern washing machine is both a mechanical closure and an electronic safety system. It must fit physically, lock correctly, and tell the control board that the drum is ready to receive water and spin. If any part of that sequence fails, the washing machine protects itself by stopping. Safety matters more than speed when water and high-speed spinning are involved.

Open the door only when the machine has released it normally. Check that no garment is caught in the edge, clean visible dirt from the gasket, and close the door firmly without slamming it. Confirm that the washing machine is stable and properly leveled, because an uneven appliance can prevent the latch from aligning with the locking mechanism. If the code returns even though the door appears to close correctly, the latch, door lock, wiring, or control board may need inspection.

On models with Add Wash, the warning DDC or ddC usually appears when the auxiliary door has been opened without first pressing Start/Pause. It is not normally a dramatic fault, but a procedural warning. The correct sequence is to pause the cycle, close the extra door properly, press Start/Pause, and then resume the program.

If the message returns, there may be dirt on the sensor or wear in the secondary door latch. The auxiliary door must not be forced open while the drum is moving or while water is at an unsafe level. The safety system is designed to prevent water loss, misalignment, and accidental access to the moving drum.

When the door does not open: HOT and thermal protection

The message HOT is not usually a structural defect. It indicates that the door cannot be opened because the interior is still hot after a drying cycle or a high-temperature operation. The washer-dryer keeps the door locked until the temperature drops to a safe level.

This is a thermal safety lock, not a software quirk. Forcing the handle or trying to override the lock is pointless and can damage the mechanism or expose the user to hot air, hot water, or hot laundry. Wait for the interior to cool and allow the locking system to release normally.

If the warning continues longer than reasonable, turn off the machine and unplug it for a few minutes. This may allow the system and the locking mechanism to reset. If the door remains locked or the HOT message repeatedly appears after the appliance is cool, a technician should check the temperature sensor, door lock, and control system.

Overflows, excessive foam, and abnormal water levels: 1E, IE, OE, OC, and OF

The codes 1E, IE, OE, OC, and OF are usually associated with an overflow or a water level outside the expected range. The actual cause may vary. A water inlet valve may not close fully, a pressure or level sensor may be misreading the water, the supply may not stop in time, or excessive detergent may have created enough foam to confuse the measurement.

If water keeps entering while the machine is operating, turn the appliance off and close the water supply immediately. If water continues to enter while the machine is off, closing the tap is especially important. Do not wait for the cycle to correct itself. The aim is to prevent water from reaching the floor or the base of the cabinet, where it can seep into electrical parts and quickly turn a small problem into a leak or a more serious failure.

Too much detergent can create a thick, persistent white foam. To the user it looks like soap, but to the electronics it can resemble a confusing change in the internal volume. The drum does not know whether it is detecting water, foam, or a mixture of both, and the protection system may respond as though the level were out of range.

Using less detergent, and using a detergent suitable for high-efficiency washing machines when required by the model, often corrects this type of behavior in later cycles. The amount should also be adjusted to the load size, water hardness, and degree of soil. Too much soap does not necessarily make clothes cleaner; it can leave residue, create excess foam, and distort the level reading.

If reducing the detergent does not solve the problem, the possible causes include a solenoid valve that does not close, a pressure switch or water-level sensor that is misreading the level, unstable water pressure, or an electronic control fault. Do not normalize repeated overflow warnings. Even when the initial cause is only excessive foam, persistent moisture in the base can lead to corrosion, odors, or damage to other components.

When spinning resists: Ub, U6, UE, and Ur

Spinning is one of the most sensitive stages of the washing cycle. The codes Ub, U6, UE, and Ur usually indicate that the drum is unbalanced or that the load is distributed unevenly. The appliance detects abnormal vibration and reduces the speed or stops the cycle to prevent impacts, movement, excessive noise, and damage to bearings, dampers, or the frame.

A single heavy item, such as a wet bathrobe, a pair of jeans, a small rug, or a bundle of bed sheets, can move the weight to one side. The drum then behaves like a wheel with hidden ballast or a weight attached to only one side. If the appliance is standing on an uneven floor or its feet have not been adjusted correctly, the wobble is amplified.

Redistribute the laundry by hand and check that the drum is not overloaded or left with only one unusually heavy item. A stable base and evenly distributed laundry are part of the same solution. Check the adjustable feet and make sure the machine does not rock when pressed at its corners. Correct leveling is almost as important as a good load, particularly on an uneven floor.

The code Ur may appear on certain models in connection with extra rinse functions or an imbalance detected by the electronics. It does not always imply a hard fault. Sometimes it only asks the user to rearrange the clothes and try the cycle again.

If the message keeps returning with normal loads, the problem may no longer be the laundry. The vibration sensor, drainage system, weight detection system, suspension, or another internal component may need a more precise check. A partially blocked drain can also leave the load unusually heavy with water and make imbalance more likely.

Electronic and communication faults: AC, AE, AC6, and AE6

The warnings AC and AE refer to electronic components or to the communication between internal boards and modules. They do not describe a visible blockage or a door that is simply out of position. They indicate that the main board, display, inverter, or another module is trying to coordinate instructions and that one part is not responding correctly.

The first reasonable response is to turn off the washing machine, unplug it for a few minutes, and restart the cycle. This reset can clear a temporary communication error caused by a power outage, a micro-interruption, or a voltage fluctuation that left the memory or modules in an unstable state.

Household electricity is not always as stable as it seems. A brief oscillation can leave a warning on the panel even when the supply appears normal afterward. Connect the appliance directly to a suitable wall outlet when possible and avoid poor-quality extension cords or power strips while checking whether the problem is external.

The codes AC6 or AE6 point more specifically to communication between the main board and the inverter. At that stage, internal wiring, connectors, and the behavior of the power module itself come into play. If the fault returns after the reset, the problem may be in the control electronics, inverter, wiring, or an entire board assembly rather than in an external part.

Do not repeatedly force cycles when an AC, AE, AC6, or AE6 warning keeps returning. Repeated attempts will not repair a defective connection or board and may make diagnosis more difficult. Technical inspection is the safer course because the appliance contains electrical components that should not be exposed without the necessary knowledge and precautions.

Low or unstable voltage: UC, 9E1, 9E2, 9C1, and 9C2

The codes UC, 9E1, 9E2, 9C1, and 9C2 can appear when the washing machine detects low voltage or an unstable power supply. This may happen after a power outage, during a voltage fluctuation, or in homes with an irregular electrical supply.

The washing machine responds cautiously because operating with insufficient or erratic energy can create additional errors or damage electronic components. Check whether other appliances are also behaving unusually, and confirm that the washing machine is connected directly to the wall rather than through a poor-quality extension cord or power strip. A direct connection helps rule out an external source of voltage problems.

If the code disappears after the supply becomes stable and does not return, the event may have been temporary. If it repeatedly appears under normal household conditions, the electrical outlet, supply voltage, power cable, control board, or power module may require professional inspection. Do not assume that changing a wash program will solve a persistent voltage warning.

Less frequent codes related to sensors, temperature, motors, and transmission

Samsung washing machines can also display codes that are less familiar but provide important information about the water level sensor, temperature, motor, vibration detection, clutch, or internal transmission. The exact meaning can vary by model, so the specific manual remains the definitive reference.

Water-level sensor codes: 1C and 1E

1C and 1E are usually related to an abnormal water-level reading. The pressure sensor, its hose, its wiring, or the control board may not be transmitting or interpreting the expected signal. On some models, similar codes can overlap with water-level or overflow symptoms, so the context matters.

If the code appears even though the water supply and drain are clear, do not repeatedly run full cycles in the hope that the reading will correct itself. A sensor that is misreading the level can affect the amount of water used and may cause the appliance to stop at different stages.

Motor codes: 3C, 3E, and 3CP

3C and 3E point to the drum motor or to the sensor and control system responsible for its operation. 3CP refers to the pulsator motor in some top-loading models. Possible causes include a motor problem, wiring, a sensor, an obstruction, or an electronic power issue.

Because the motor and its control circuitry involve internal components, technical inspection is advisable if the code persists after a normal reset. Avoid repeatedly starting the machine when the drum is unable to move correctly, since doing so can place additional strain on the motor or power module.

MEMS vibration sensor codes: 8C and 8E

8C and 8E are associated with the MEMS sensor that helps detect vibration and imbalance. A normal load and a correctly leveled machine should be checked first, because those external conditions can produce symptoms similar to a sensor fault.

If the warning continues with different loads and after the feet and floor have been checked, the vibration sensor, its connections, or the electronic control system may require a technical diagnosis.

Heating and temperature codes: HC and HE

HC and HE indicate an abnormal heating condition. In one situation, the water may not reach the expected temperature; in another, the system may detect an excessively high temperature or an incorrect reading. The heating element, temperature probe, wiring, or control board may be involved.

These warnings affect washing performance and should not be dismissed if they repeat. A temperature problem may prevent the selected program from working correctly even when the machine continues to fill, wash, and drain. If the machine has just completed a hot or drying cycle, always allow it to cool before attempting to open the door.

Drain hose and leak-related codes: LC, LC1, LE, and LE1

Messages such as LC, LC1, LE, and LE1 may be linked to the drain hose, an incorrectly positioned or blocked hose, or the detection of a leak in the base, depending on the model. These are sometimes installation and usage issues rather than deep faults, but they are enough to stop the cycle with considerable precision.

Inspect the hose for incorrect positioning, dirt, kinks, or blockages. If there is visible water beneath the appliance, switch it off, disconnect it from the power supply, and close the water tap before investigating further. Samsung becomes particularly cautious when it senses moisture where it should not be, because a small leak can quickly turn into a home flood or damage to electrical components.

Clutch and position codes: PC, PE, PC1, and PE1

PC, PE, PC1, and PE1 are associated with clutch position detection or internal transmission signals. They are less common and more technical than water or door alerts. The code means that a component is not sending the response expected by the control system.

When these messages repeat after a reset, the room for do-it-yourself repair is limited. The clutch, position sensor, wiring, or transmission system may need tools and specialized testing.

Calibration codes: Cb and C6

The codes Cb and C6 refer to calibration mode. This function adjusts how the washing machine measures the weight of the drum load and calculates the amount of water required. It is commonly performed after installation or after moving the appliance to another location.

Calibration should be carried out with the drum empty. The machine spins briefly, takes reference measurements, and stores that pattern for future loads. If clothing or other objects remain inside, the reading is contaminated, the reference becomes inaccurate, and the machine may later calculate consumption poorly or become more sensitive to imbalance and filling conditions.

Calibration is one of the discreet functions that works in the background but can make the difference between a correct wash and erratic dosing. Consumption accuracy starts with a well-made reference. An empty drum gives the system a clean baseline; laundry inside changes the weight and makes the adjustment unreliable.

If the machine enters calibration mode unexpectedly, consult the model manual for the exact button sequence and completion procedure. Do not interrupt the process by adding laundry or opening the door unless the instructions specifically allow it.

Child lock: CL

CL indicates that the child lock is active. It is not a breakdown, but a safety feature that restricts the control panel to prevent accidental button presses or unintended program changes.

Some users confuse CL with a fault because the display or buttons become limited. In reality, the washing machine is obeying a previous protective command. On some models, child lock can alter the behavior of the tub or door in particular settings, including situations where water is already inside.

Deactivation depends on the model and normally requires pressing and holding a specific button combination. Consult the manual for the exact procedure rather than pressing buttons at random. The purpose is always the same: prevent unintended changes while the washing machine is running.

How to read a code according to when it appears

The sequence in which the alert appears matters almost as much as the code itself. The same machine can provide very different clues depending on whether the warning appears at startup, in the middle of the wash, during drainage, or during the final spin.

• At startup: water-supply and door-closure problems are more likely. Check the faucet, water pressure, inlet hose, mesh filter, door gasket, latch, and lock.
• During the wash: focus on water level, excessive foam, temperature, electronics, and whether the program is receiving the expected signals from its sensors.
• When the machine should drain: inspect the pump filter, drain hose, drain installation, and pump.
• During the final spin: look first at load distribution, leveling, the adjustable feet, drainage, and vibration detection.
• After drying or a hot cycle: allow the machine and door area to cool before interpreting HOT as a possible failure.

It also helps to observe whether the problem repeats with different programs. If the code appears only in one specific cycle, the explanation may be related to that program’s temperature, duration, water level, or spin speed. If it appears in every cycle, the source is more likely to involve a common element such as water intake, drainage, electrical supply, or the main control system.

The home context completes the diagnosis. A drum that sounds empty and waits is likely experiencing a water-inlet issue. Clothes that come out very wet point toward drainage. A washing machine that vibrates like a wobbly table suggests load distribution, leveling, or suspension. A clean filter, straight hose, firm floor, and moderate amount of detergent eliminate many common causes before parts are replaced.

What to check before pressing Start again

Before repeating a cycle, check the three areas responsible for a large share of common warnings: water, drainage, and load. Then consider the door and the electrical supply.

1. Check the water supply. Make sure the faucet is fully open, the pressure is sufficient, the inlet hose is not crushed, the hot and cold connections are correct where applicable, and the mesh filter is not blocked.
2. Check drainage. Clean the bottom pump filter according to the manual, remove visible debris, inspect the pump area, and confirm that the drain hose is straight, correctly inserted, and not positioned too low.
3. Check the door. Remove any clothing trapped in the gasket, clean the seal, close the door firmly, and verify that the latch engages without force.
4. Check the load. Redistribute heavy items, avoid washing a single bulky item when the model requires a balanced load, and do not overload the drum.
5. Check leveling. Adjust the feet and confirm that the appliance does not rock on the floor. A stable base reduces vibration and improves the accuracy of imbalance detection.
6. Check detergent. Reduce the amount if there is excessive foam and use the detergent type recommended for the washing machine.
7. Check power. For AC, AE, or voltage-related codes, turn off and unplug the appliance for a few minutes, then connect it directly to a suitable wall outlet rather than a poor-quality extension cord or power strip.
8. Restart only after the basic check. A reset is useful for temporary errors, but it is not a substitute for correcting a blocked filter, an incorrectly positioned hose, an unstable floor, or a persistent internal fault.

Most Samsung washer warnings can be investigated outside the casing. The installation, hoses, filters, door, load, detergent, and power supply should be checked before considering internal parts. Opening the cabinet is not necessary for the majority of water, balance, door, or temporary reset warnings.

When a code keeps coming back

If the same code reappears after cleaning filters, checking hoses, redistributing the laundry, confirming the water supply, leveling the machine, and restarting it, the problem is no longer an isolated event. The washing machine is repeatedly detecting a condition that remains unresolved.

In that situation, the exact number matters less than the pattern. A machine that continues to show the same message after the obvious external causes have been corrected may have a worn sensor, a loose connection, a weak pump, a defective valve, a damaged door lock, a motor problem, or a control board that is misreading the signal.

Stop repeating full cycles when the warning is persistent. Each repetition adds wear without solving the root cause and may overheat a motor, continue to stress a pump, increase moisture, or hide the original fault behind new symptoms. Repeated cycles are especially inappropriate when there is water leakage, overheating, an electrical warning, or a door that does not lock safely.

Failures of the pump, door lock, water-level sensor, motor, inverter, heating system, clutch, or electronic board fall into the group that normally requires technical inspection. They are not always catastrophic breakdowns, but they involve components that leave little room for improvised repair. The specific Samsung manual remains the reference document when the displayed code does not match the common descriptions or when the behavior differs from the usual pattern.

Safety precautions before inspecting the appliance

Simple checks can be carried out at home, but safety comes first. Disconnect the washing machine from the electrical supply before handling filters, hoses, or visible components, and close the water tap when there is an overflow, leak, or uncontrolled filling. Residual water may remain inside even when the cycle has stopped, so open filters carefully and protect the floor.

Never force a door that is locked because of HOT, water inside the drum, high temperature, or an active safety lock. Do not reach into a moving drum, bypass a door lock, or expose internal wiring without the required knowledge. A reset is reasonable for a temporary electronic error, but it should not be used to override a safety condition.

When the message points to the electronics, motor, inverter, heating element, internal sensors, clutch, or transmission, the margin for home intervention shrinks considerably. Insisting on endless resets is like knocking on a door that has already answered: it will not open because you keep trying. A qualified technician should inspect the appliance when the code returns or when an external check does not explain the behavior.

Preventive maintenance to avoid Samsung washing machine errors

Preventive maintenance remains the most effective tool for reducing error messages. Clean the pump filter regularly, remove debris before it accumulates, inspect the inlet mesh filter, and keep the hoses free of kinks. Make sure the appliance remains level after installation and after any move, because a floor that gradually shifts or adjustable feet that loosen can create repeated imbalance warnings.

• Keep the water inlet filter clean so sand, limescale, and dirt do not restrict the supply.
• Clean the drain filter and check for coins, buttons, lint, hairpins, and fabric debris.
• Keep the drain hose straight, correctly inserted, and at the proper height according to the model manual.
• Do not use more detergent than necessary, particularly when excessive foam has already caused a water-level warning.
• Do not overload the drum or wash a single heavy item if the model requires a balanced load.
• Redistribute bulky or heavy garments before starting a high-speed spin.
• Check that the appliance is stable and that all feet make firm contact with the floor.
• Keep the door gasket clean and check that no clothing is caught in the seal.
• Use a suitable electrical outlet and avoid poor-quality extension cords or power strips.
• Run calibration with an empty drum after installation or moving the appliance when the model requires it.

Not every code means a repair. Some are maintenance alerts, some are temporary protections, and others indicate that a simple installation or usage condition has gone outside the expected range. A child lock, a poorly closed door, an unbalanced load, a pending calibration, or excessive detergent should not automatically be treated as a workshop sentence.

Final guide to understanding Samsung error codes

Samsung’s display acts as a brief map of symptoms. It records what happens during the cycle and turns that information into a number or letter combination. The warning may be inconvenient, but it gives the user an opportunity to act before a small fault develops into a chain of damage.

The practical sequence is usually clear: check the water, drainage, door, detergent, load, leveling, and power supply; reset the washing machine when appropriate; and observe whether the message disappears. If it does not, stop forcing cycles and consult the model manual or arrange a technical inspection.

Understanding these codes does not require advanced repair knowledge. It requires attention to symptoms, timing, installation, and repetition. The appliance gives the warning, but the surroundings complete the story. Reading the message calmly and matching it with what the machine is doing is the best way to distinguish a minor interruption from a fault that needs professional attention.

In a properly installed appliance, the panel becomes a precise conversation with the user. It may be asking for water, drainage, balance, cooling time, a calibration procedure, or a deeper technical review. Reading that conversation correctly avoids unnecessary disassembly, rushed spending, damaged laundry, and further wear while helping extend the useful life of the Samsung washing machine.