The error code E d 48 or Ed, 48 on your Speed Queen washer indicates a Cold Valve Pin HW On/Off Fail Error. This signifies an issue with the hardware components that control the cold water valve on your washer.

Here's an explanation of the problem, potential causes, troubleshooting steps (with caution), and when to consult a qualified technician.

The error code E d 47 or Ed, 47 on your Speed Queen washer indicates a Hot Valve Pin HW On/Off Fail Error. This signifies an issue with the hardware components that control the hot water valve on your washer.

Here's an explanation of the problem, potential causes, troubleshooting steps (with caution), and when to consult a qualified technician.

The error code E d 46 or Ed, 46 on your Speed Queen washer indicates a Heater Pin HW On/Off Fail Error. This signifies an issue with the hardware components that control the washer's heating element.

Here's an explanation of the problem, potential causes, troubleshooting steps (with caution), and when to consult a qualified technician

The error code E d 45 or Ed, 45 on your Speed Queen washer indicates a Door Lock Pin Hardware On/Off Fail Error. This means the washer's control board is detecting an issue with the door lock mechanism, specifically related to the hardware that controls the lock pin itself.

Here's an explanation of the problem, potential causes, troubleshooting steps, and when to consult a qualified technician

The error code E d 29 or Ed, 29 on your Speed Queen washer indicates a Motor Not Connected Error. This means the washer's control board cannot detect a proper connection between the motor and the control board itself. 

Here's an explanation of the issue, potential causes, troubleshooting steps, and when to consult a qualified technician

The error code E d 25 or Ed, 25 on your Speed Queen washer indicates an IPM Over Temperature Error. This signifies an issue with the washer's Intelligent Power Module (IPM) overheating. The IPM is a crucial component that controls and manages the flow of power to the motor.

Here's a breakdown of the problem, potential causes, troubleshooting steps (with caution), and when to consult a qualified technician

The error code E d 24 or Ed, 24 on your Speed Queen washer indicates a Fatal IT Hardware Over Current Error. This is a critical issue related to the motor and its electrical components. Here's a breakdown of the problem, potential causes, and why consulting a qualified technician is crucial:

The error code E d 23 or Ed, 23 on your Speed Queen washer indicates a Fatal IPM Over Current Shunt Error. This is a serious issue related to the washer's motor control system. Here's a breakdown of the problem, potential causes, and why consulting a qualified technician is crucial

The error code E d 22 or Ed, 22 on your Speed Queen washer indicates an Over Motor Temperature Error. This means the washer's control board detected that the motor has become excessively hot during operation. Here's an explanation of the issue, potential causes, troubleshooting steps, and when to consult a qualified technician

The error code E d 21 or Ed, 21 on your Speed Queen washer indicates an Over Voltage DC Bus Error. This means the washer's control board detected an issue with the Direct Current (DC) voltage within the washer's electrical system. Here's an explanation of the issue, potential causes, and why consulting a qualified technician is recommended