Samsung Dishwasher 4C Error: Causes & 5 Ways To Fix It Now

When your Samsung dishwasher displays the 4C error code, it signifies an issue with the water supply. The dishwasher’s operation may be hampered if it does not receive enough water.

Understanding the root causes of this error and knowing how to address them can save you time, money, and frustration.

Samsung Dishwasher 4C Error
The Samsung Dishwasher 4C Error indicates an issue with the dishwasher’s water supply or water inlet system. When the dishwasher fails to receive adequate water, it may display a 4C error to alert the user. This error code is a safety measure to prevent the dishwasher from operating with insufficient water, which could result in poor cleaning performance or damage to the appliance.

Causes of Samsung Dishwasher 4C Error

If you’re ready to learn how to tackle the Samsung dishwasher 4C error and restore your appliance’s efficiency, let’s dive into the causes and explore the effective ways to fix it.

1. Water Inlet Valve Issue

One common cause of the Samsung Dishwasher 4C Error is a faulty water inlet valve. The water inlet valve regulates the water flow into the dishwasher. When it malfunctions, insufficient water supply can trigger the 4C error.

2. Low Water Pressure

Inadequate water pressure is another potential cause of the 4C error. If the dishwasher fails to receive adequate water, it may display the error code. Low water pressure can result from plumbing issues or improper water supply.

3. Clogged Filters

Clogged filters can impede water flow and lead to the 4C error. Over time, debris, food particles, and mineral deposits can accumulate in the dishwasher’s filters, restricting water intake. This issue can disrupt the normal operation of the dishwasher.

4. Faulty Water Level Sensor

A malfunctioning water level sensor can cause a 4C error in Samsung dishwashers. The sensor is responsible for detecting the water level inside the dishwasher. The dishwasher may display the error code if it fails to provide accurate readings.

5. Malfunctioning Control Board

The control board serves as the brain of the dishwasher, coordinating its various functions. A malfunctioning control board can trigger error codes like 4C. Electrical issues or component failures within the control board can disrupt the normal operation of the dishwasher.

How to Fix Samsung Dishwasher 4C Error?

To effectively fix your Samsung Dishwasher 4C Error, here are some steps to take:

1. Check the Water Inlet Valve

Start troubleshooting the 4C error by examining the water inlet valve. Ensure it is functioning correctly and free from any blockages. Inspect the valve for damage and replace it if necessary.

A faulty water inlet valve can hinder the water supply to the dishwasher, leading to an error. If you find any issues with the valve, replacing it can resolve the problem.

2. Ensure Sufficient Water Pressure

Check the water pressure in your home’s plumbing system. Insufficient water pressure can prevent the dishwasher from receiving adequate water, triggering the 4C error.

Ensure the water pressure is within the recommended range specified by the manufacturer. If the pressure is too low, you may need to address plumbing issues or consult a professional plumber to improve the water pressure.

3. Clean the Filters

Clogged filters can restrict the flow of water and trigger the 4C error. Locate the dishwasher’s filters, typically found at the bottom of the tub or near the water inlet valve. Remove the mesh filters and thoroughly clean them under running hot water.

Remove any debris, food particles, or mineral deposits that may have accumulated. Once cleaned, reinsert the filters back into their respective positions. The drain hose is vital in carrying away wastewater from the dishwasher during the cleaning cycle.

Ensure the drain hose is free from any blockages or kinks that impede proper water flow. Additionally, check the connection points of the drain hose, especially where it attaches to the water hoses and valves.

Any loose connections or leaks can disrupt drainage and contribute to the 4C error.

4. Test and Replace the Water Level Sensor

The water level sensor plays a crucial role in detecting the water level inside the dishwasher. If it malfunctions or provides inaccurate readings, it can result in a 4C error. To test the water level sensor, consult the dishwasher’s manual for specific instructions.

If the sensor is faulty, consider replacing it with a compatible replacement part. It is advisable to seek professional assistance or consult the manufacturer’s customer support for guidance on replacing the water level sensor.

5. Repair or Replace the Control Board

If all other troubleshooting steps fail to resolve the 4C error, there might be an issue with the control board. The control board regulates the dishwasher’s operations and communicates with various components. If it is malfunctioning, it can lead to error codes like 4C.

Contact a professional technician or the manufacturer’s customer support for further assistance. They can assess the control board and determine if it requires repair or replacement.

Preventing Samsung Dishwasher 4C Error

To avoid encountering the error code, you can take the following preventive measures:

1. Regular Maintenance and Cleaning

Perform regular maintenance and cleaning of your Samsung dishwasher to prevent the occurrence of the 4C error.

Follow the manufacturer’s guidelines for cleaning the dishwasher, including wiping down the interior, cleaning the filters, and removing food residues. Regular maintenance ensures optimal performance and minimizes the chances of encountering errors.

2. Use Recommended Detergents

Using the recommended detergents for your Samsung dishwasher is essential to avoid potential issues. Follow the manufacturer’s instructions and guidelines regarding the type and amount of detergent to use.

Using improper detergents or excessive amounts can lead to residue buildup or damage to the dishwasher, potentially causing errors like 4C.

3. Avoid Overloading the Dishwasher

Overloading the dishwasher with excessive dishes, utensils, or cookware can affect its performance and contribute to errors. Follow the dishwasher’s load capacity recommendations and avoid overcrowding.

Distribute the items evenly and ensure proper water circulation for effective cleaning. By avoiding overloading, you can maintain the dishwasher’s efficiency and reduce the risk of encountering the 4C error.

4. Maintain Proper Water Pressure

Regularly check the water pressure in your home and ensure it meets the recommended range for the dishwasher. Low water pressure can trigger the 4C error. If you notice any significant changes in water pressure, investigate and address any plumbing issues promptly.

Maintaining proper water pressure ensures a consistent water supply to the dishwasher, minimizing the chances of encountering errors.

5. Address Plumbing Issues

Any plumbing issues, such as clogged pipes, water leaks, or damaged valves, can affect the dishwasher’s performance and trigger errors like 4C. If you suspect plumbing issues, it is advisable to consult a professional plumber to assess and resolve the problems.


What does the Samsung Dishwasher 4C Error mean?

The Samsung Dishwasher 4C Error is an indication that there is a water supply problem. When your Samsung dishwasher displays the 4C error code, it means it is not receiving enough water or has an issue with the water inlet.

This error is a safety measure to prevent the dishwasher from operating without sufficient water, as it could result in ineffective cleaning or potential damage to the appliance.

It’s essential to address the underlying causes of the 4C error to ensure the proper functioning of the dishwasher and avoid any further complications.

How can I reset the dishwasher to clear the error?

To reset the dishwasher and clear the 4C error, try turning off the power to the dishwasher for a few minutes and then turning it back on.

This action may reset the control board and clear the error code. Refer to your dishwasher’s manual for specific instructions on how to reset it.

Can a 4C error be fixed without professional help?

Some basic troubleshooting steps can be done without professional help.

However, it is advised to seek the help of a qualified expert or get in touch with Samsung’s customer support if the issue persists or you are hesitant about carrying out sophisticated repairs.

Why is my dishwasher not getting enough water?

One common cause is low water pressure. Inadequate water levels in the dishwasher may result from insufficient water pressure from the main water source.

This can be due to partially closed water supply valves, blockages in the water line, or issues with the plumbing system in your home. Another potential cause is clogged filters.

Over time, debris, food particles, and mineral deposits can accumulate in the dishwasher’s filters, obstructing the water flow and reducing water intake.

Is the 4C error common in Samsung dishwashers?

The 4C error is a common issue reported by Samsung dishwasher users. However, its occurrence can vary depending on various factors such as usage patterns, water quality, and maintenance practices.

Following proper maintenance procedures and troubleshooting techniques can minimize the chances of encountering the 4C error.

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