The 9858741 control card is the main electronics board in Miele EPWL tumble dryers. It controls the motor, the heating relay (the switch that turns the heating element on and off) and the moisture sensors, and determines when the drying cycle ends. Genuine Miele OEM part, part number 9858741.

Is the dryer running a program but not finishing it? Sometimes the cause is not in the motor or the heater, but in the control card that manages the entire operation.

A moment before ordering – safety above all! To ensure a successful repair and maintain the longevity of the device, it is mandatory to use only original parts. Non-original parts may cause damage. Now click on the “Check Model Compatibility” button at the top of the page, and our system will immediately confirm that the part is suitable for you.

What is the function of the control card in the tumble dryer?

The control card is the “brain” of the dryer – it starts the motor, turns the heating element on and off, and processes data from the residual moisture sensors. Without it, the device doesn’t know when the laundry has actually dried.

The board receives information from the humidity sensor and the NTC of the drying air and the heating element, and bases the decision on the end of the program. This prevents laundry from drying out excessively or remaining damp. EPWL control cards are a single board that centralizes all these operations, so a malfunction in it may affect several functions at once, not just one.

Original vs. Unapproved Replacement – ​​What's the Difference?

📋 Technical specifications

🔍 How do you check that the card is suitable for your dryer?

Since EPWL cards are installed in several series of Miele dryers, the safest way to verify compatibility is through the model number and the manufacturing number (E-Nr) that appear on the model sticker, located on the inside of the door.

If you are not sure this is the correct card for your dryer, click the “Check Model Compatibility” button at the top of the page and enter the model number – the system will confirm the compatibility within seconds, or contact Daniel, our Miele parts expert.

🔧 How do you replace the control card in a dryer?

Caution! EPWL cards do not have internal galvanic isolation from the electrical network, so parts on the board may be under voltage even when the device appears to be off. Before any work – the dryer must be completely disconnected from the power outlet, and not just turned off with the button.

Due to the electrical hazard and the sensitivity of the board parts to electrostatic discharge, it is recommended that the replacement be left to a qualified technician. If you are an experienced technician, make sure the model matches your model number, take a photo of the location of the connections on the existing board before disconnecting, and replace it only one by one with the new card.

For a quick compatibility check before performing the work – click on “Check Model Compatibility” at the top of the page. For a detailed installation guide with pictures, see the product page on the website.

💡 Tip from the experts

“A control board fault doesn’t always display an error code,” explains Daniel, our Miele parts expert. “Usually the first sign is a programme stopping mid-way, or a dryer not starting to heat up at all – with no message on the screen.”

❓ Frequently Asked Questions

What faults indicate a faulty control card in the dryer?

Common signs are a program that does not end, lack of heating even though the motor is running, no response to buttons on the panel, or the device repeatedly turning on and off for no apparent reason.

Can I replace a control card in a dryer myself?

Technically yes, but be careful. The board may remain live even when the device is disconnected from the button, and is sensitive to electrostatic discharge. If you are not confident working with electricity, it is recommended to call a qualified technician.

Is it worth replacing the control card or buying a new dryer?

It depends on the age of the appliance and its general condition. If the dryer is working well apart from this fault, replacing the original card will give it a long life. On an old appliance with a few other faults, it is worth considering the overall cost versus a new dryer.

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