Samsung Dishwasher Medium

Samsung Dishwasher Error Code 4E — How to Fix (Water supply error)

Fix Samsung Dishwasher error code 4E, a water supply error, with this step-by-step guide.

⏱️ Time30-60 minutes
📋 DifficultyMedium
🔧 Model(various models)
⚠️ Error4E

What Does Error Code 4E Mean?

Error 4E on your Samsung Dishwasher means: The Samsung Dishwasher error code 4E indicates a water supply error, meaning the dishwasher is not filling with water as expected. This can be caused by issues with the water supply lines, valves, or sensors. If left unresolved, this error can lead to poorly washed dishes and increased energy consumption.

What You'll Need

🔧 Tools

  • Phillips #2 screwdriver
  • T20 Torx screwdriver
  • Multimeter

🛒 Parts

  • Water inlet valve

How to Fix Error 4E — Step by Step

  1. 1

    Reset the Dishwasher

    Start by resetting the dishwasher. Unplug the power cord from the outlet, wait for 30 seconds, and then plug it back in. This will restart the dishwasher and may clear the error code. Check the display to see if the error code has cleared.

    💡 Pro Tip: If the error code returns after a reset, it's likely a more serious issue that requires further troubleshooting.

  2. 2

    Check the Water Supply Lines

    Inspect the water supply lines for kinks, blockages, or leaks. Make sure the lines are securely connected to the dishwasher and the water supply valves are fully open. Check the lines for any signs of damage or corrosion.

    💡 Pro Tip: Use a multimeter to check the resistance of the water supply lines. A normal reading should be around 10-20 ohms.

  3. 3

    Inspect the Water Inlet Valve

    The water inlet valve is responsible for controlling the flow of water into the dishwasher. Check the valve for any signs of blockage or mineral buildup. Use a multimeter to check the valve's resistance, which should be around 100-200 ohms.

    💡 Pro Tip: If the valve is faulty, replace it with a new one. Make sure to purchase a replacement valve that is compatible with your Samsung dishwasher model.

  4. 4

    Check the Water Level Sensor

    The water level sensor monitors the water level in the dishwasher and sends signals to the control board. Check the sensor for any signs of damage or corrosion. Use a multimeter to check the sensor's resistance, which should be around 1-5 kohms.

    💡 Pro Tip: If the sensor is faulty, replace it with a new one. Make sure to purchase a replacement sensor that is compatible with your Samsung dishwasher model.

  5. 5

    Check the Control Board

    The control board is the brain of the dishwasher and controls all the functions, including the water supply. Check the board for any signs of damage or corrosion. Use a multimeter to check the board's voltage, which should be around 12-15 volts.

    💡 Pro Tip: If the control board is faulty, replace it with a new one. Make sure to purchase a replacement board that is compatible with your Samsung dishwasher model.

When to Call a Professional

If you've tried all the steps and the error code persists, it's likely a more complex issue that requires professional attention. Additionally, if you're not comfortable with DIY repairs or if you've noticed any signs of water damage or electrical issues, it's best to call a professional for assistance. For issues related to other error codes, such as [Samsung Dishwasher Error HE](/samsung/dishwasher/error-he/), [Samsung Dishwasher Error 5E](/samsung/dishwasher/error-5e/), or [Samsung Dishwasher Error LC](/samsung/dishwasher/error-lc/), refer to their respective guides.

Related Samsung Dishwasher Error Codes

Error HE Error 5E Error LC

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