How to Fix: Dishwasher Error Code E4

If your dishwasher encounters a functionality fault during a cycle, it may stop and display an error code. Fortunately, this article will address the specific error code that brought you here.

The dishwasher’s E4 error code indicates an issue with the water supply in the appliance, which may be caused by a blockage in the drain. To resolve this problem, it is typically necessary to verify that the water supply is at the appropriate pressure, inspect for leaks, and clear any obstructions.

If your dishwasher displays an Error Code E4, don’t worry, there are solutions you can try to fix the problem and get your unit back to working condition.

This article will explore the reasons behind error code E4 in various dishwasher brands and provide effective solutions to fix it.

What Do You Do When Your Dishwasher Displays Error Code E4?

When you encounter error code E4 on your dishwasher, it usually signifies a problem with the water supply, indicating that there is an excess of water in the unit.

As a result of this malfunction, the dishwasher enters defrost mode, causing its system to become excessively cold and cease operation.

Fixing error code E4 in dishwashers can be achieved through various solutions, which include:

  • Properly attaching the drain hose
  • Ensuring that the kitchen sink is fully drained
  • Regularly cleaning and replacing all filters in the dishwasher can help fix the E4 error code.
  • It is important to regularly clean the condenser coils and evaporator.

To resolve the Dishwasher Error Code E4, it is important to ensure that the water supply in the dishwasher is at a moderate level, as triggering of the code can occur due to excessively high or low water pressure.

If the error continues even after attempting the aforementioned suggestions, it is advisable to disconnect the dishwasher, eliminate any remaining water, and allow it to sit for a while.

Once all the components of the appliance have dried thoroughly, connect your dishwasher to see if it functions properly.

If the issue is severe, it is advisable to contact an appliance technician to fix the Dishwasher Error Code E4.

How to Fix Error Code E4 on Different Dishwasher Brands

There are various causes for error code E4 in different dishwasher brands, and the solutions differ accordingly.

1. Kenwood Dishwasher

If your Kenwood dishwasher displays the E4 error code, it means that there is a flood in the unit caused by a potential leak, and the water has accumulated at the lowest point of the machine, which is below the wash area.

The part of the Kenwood dishwasher that houses all its functions is also where any leaked water accumulates. When water is detected by the dishwasher’s sensor, it triggers an E4 error code to be displayed.

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Here are the remedies you can implement to eliminate the error code on your Kenwood dishwasher.

Allow the dishwasher to rest: Depending on the severity of the leak, you may choose to leave your dishwasher unused for several hours or even days.

When the dishwasher is not in use, the water tends to evaporate, which results in the disappearance of the E4 error code.

Adjust the angle of the dishwasher: As an alternative solution, you can change the position of the Kenwood dishwasher so that the water exits from the sensor switch region.

Once the sensor area is free of water, the sensor will reset itself, leading to the clearance of the error code E4.

It is easy to fix error code E4 on a Kenwood dishwasher as the cause of this error is the buildup of water in the operational region of the appliance.

When addressing the E4 error code in your dishwasher, it is crucial to disconnect the appliance from its power source before attempting any repairs.

2. Samsung Dishwasher

When the Samsung dishwasher displays error code E4, it means that the appliance’s system is unable to detect sufficient water supply, which can be caused by various factors.

The potential reasons for the appliance’s inability to recognize water supply and their corresponding remedies include;

Clogged filters: It is important to regularly clean the filters located at the connection point of the hose.

Ensure that the filters, which safeguard the valve from debris, are free of dirt to enable proper water flow in the Dishwasher.

Any issue with the wiring that is linked to the control board results in error code E4 appearing on Samsung dishwashers.

It is important to use a circuit analyzer to ensure that the valve winding’s connecting loops are dependable and free of defects.

If the wiring damage is severe, it is recommended to contact a Samsung repair technician.

One of the possible errors that can occur in a dishwasher is related to the drain system, which plays a crucial role in its functioning.

It is important to ensure that the drain hose is correctly installed as an incorrect installation of the drain hose can result in the occurrence of error code E4.

E4 error code in dishwashers can be caused by a malfunctioning inlet valve. To diagnose the issue, it is recommended to utilize a circuit analyzer to assess the resistance of every solenoid coil in the valves.

When a solenoid malfunctions, it can cause the inlet valve to remain closed, preventing water from entering the dishwasher and triggering Samsung dishwashers’ E4 error code.

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If the inlet valve fails, it is recommended to contact a repair technician as the entire valve assembly will need to be replaced.

3. Fisher and Paykel Dishwasher

When the drain hose is not installed correctly, Fisher and Paykel dishwasher will show an E4 error code.

If the hose is positioned at a higher level than recommended, it can cause an obstruction in the drain, leading to water flooding as the unit becomes unable to drain out the water.

An accumulation of debris on the dishwasher filters can lead to a malfunction in these units. This can be remedied by cleaning the filters and ensuring that they are free from any blockages. Additionally, it is important to check for any loose connections or wiring issues that may be causing the error code E4 to appear. If all else fails, it may be necessary to replace the dishwasher’s control board.

To resolve the Dishwasher Error Code E4, the easiest method is to follow the installation guidelines and properly attach the drain hose.

To reset the dishwasher, you can follow these steps:

  • Hold down the power button featuring an icon of a key and lock for a duration of one minute
  • Press the power button to switch off the unit’s power.
  • Press the power button again to restore power after a five-minute interval.
  • Verify if the dishwasher is operating correctly.

4. Bosch Dishwasher

If there is a problem with the water flow, Bosch dishwashers will indicate an E4 error code. Additionally, if hard water is used in these machines, it may cause calcium to accumulate on the sensor wheel.

The dishwasher experiences a malfunction as a result of blockage.

Fixing error code E4 on a Bosch dishwasher is not difficult, and you can do it yourself using the following suggestions.

Sprinkler cleaning: The sprinkler may corrode due to calcium build-up, leading to clogging and poor performance. Removing the clog through cleaning can help restore its function.

To fix the Dishwasher Error Code E4, it is recommended to detach the sprinkler, clean its nozzles meticulously using a brush, and then rinse it with flowing water.

Using an acid cleaner or vinegar can be beneficial in efficiently eliminating calcium build-up.

If there is a severe accumulation of calcium, it may cause damage to the sprinkler and necessitate its replacement.

Preventive maintenance for dishwasher: To avoid frequent appearance of error code E4 on your Bosch dishwasher, it is recommended to clean the appliance regularly.

Regular cleaning helps to eliminate blockages and clear any food debris that may be trapped inside the dishwasher.

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It is recommended to turn off your Bosch dishwasher when error code E4 appears to prevent flooding that can cause damage.

5. Compact Dishwasher

Error code E4 can be shown on compact dishwashers for various reasons.

One of the causes for error code E4 in dishwashers is an incorrect connection of the drain hose, leading to water buildup inside the appliance and prompting the error signal.

To resolve the Dishwasher Error Code E4, it is important to correctly install the drain hose and ensure that all drain filters are free of debris, which can cause blockages.

After verifying the condition of the drain hose, make sure that there is complete drainage of water.

6. Whirlpool Dishwasher

If your Whirlpool dishwasher detects an excess of water, it will display an E4 error code, which is usually caused by filter blockages.

The error code E4 is caused by food particles that block the filters while washing dishes.

Here are the steps to follow for resolving error code E4 on your Whirlpool Dishwasher.

  • Make sure the dishwasher is empty and turned off.
  • Take out the filters and eliminate any leftover food particles that may be on them
  • Fill the two tubes located at the bottom of the dishwasher with water.
  • To drain the water, shut the door and switch on the appliance.
  • Allow the dishwasher to take a break for thirty minutes before resuming its operation.

This process eliminates any external debris that may be present in your Whirlpool dishwasher.

7. Kitchen Aid Dishwasher

If the water supply is not connected properly, your Kitchen Aid dishwasher will show an E4 error code.

A malfunction occurs in the dishwasher due to water flow pressure that is either too high or too low within the unit.

To fix the Dishwasher Error Code E4, you need to:

  • Turn off the power supply to your dishwasher
  • Shut down the water source.
  • Make sure that the water pressure is at the appropriate level, neither too high nor too low.

Final Word

The primary cause of a malfunctioning dishwasher is typically an error code.

While fixing certain dishwasher issues may require professional assistance, it is not always necessary to hire a technician to resolve an error code on your dishwasher.

Dishwashers play a crucial role in the kitchen, and it is essential to acquaint yourself with the reason behind error code E4 and its resolution based on your appliance’s brand.

You can also check this video about “How to Fix: Dishwasher Error Code E4”

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