AEG Washer Error Code E30

E30 on an AEG washer indicates that the pressure sensor has a defect, specifically that the frequency signal it produces is outside the acceptable range the control board expects. The fault can also be triggered by a damaged or disconnected ribbon cable between the sensor and the board. The machine uses the pressure sensor to monitor water levels inside the drum, so this fault stops normal operation to prevent water-related problems.

A reset will not permanently clear E30 because the fault is caused by a hardware issue, either a defective sensor or a faulty ribbon cable. The error will return as soon as the machine attempts to read water level again. The underlying component fault must be repaired or replaced before the code will stay cleared.

If only the ribbon cable needs reseating, the repair may cost little to nothing beyond a service call fee. Replacing the pressure sensor itself typically involves parts costs in the range of $20 to $80 depending on the model, plus labor if a technician is hired. If the fault involves the main control board, repair costs can rise significantly into the range of $150 to $350 or more.

A knowledgeable DIYer can start by checking the ribbon cable connecting the pressure sensor to the control board, looking for damage or loose connections. If the cable is intact, the pressure sensor will need to be replaced. Accessing these components typically requires removing the top or back panel of the washer, and comfort with basic appliance disassembly is necessary.

You should not continue using the washer while E30 is active. The pressure sensor is responsible for detecting water levels, and a failure in this system could result in the machine being unable to prevent overfilling. Continued operation without a functioning water level sensor carries a risk of water overflow and potential water damage.