Invalid or Out-of-Range Data (EC:05 or EC05) Miscommunication - The error code suggests the washer's control board received data from another component (sensor, user input, etc.) that is either invalid (corrupted or nonsensical) or outside the expected range (e.g., a water level sensor sending an impossible reading)

The error code EC:03 or EC03 on your Speed Queen washer indicates an Invalid Command Code. This signifies an issue with communication between the washer's control board and other components. Here's an explanation of the problem, potential causes, and why consulting a qualified technician is recommended

The error code EC:02 or EC02 on your Speed Queen washer indicates a Timeout Error related to communication. Here's an explanation of the problem, potential causes, and troubleshooting steps you can try (with caution)

The error code E:SP on your Speed Queen washer indicates a Serial Communication Error. This signifies an issue with communication between the washer's main control board and the motor control board. 

Here's an explanation of the problem, potential causes, and why it's important to consult a qualified technician

A dimmed display on your Speed Queen washer can be caused by a few reasons. Here's what I know about the potential causes and solutions.

The error codes E LF and Er, LF on your Speed Queen washer indicate a Fill Error. This signifies an issue preventing the washer from filling with water to the proper level during the wash cycle. Here's an explanation of the problem, potential causes, troubleshooting steps you can try (with caution), and when to consult a qualified technician.

The error codes E bELt and Er, bb on your Speed Queen washer indicate a Broken Belt Error. This signifies a critical issue with the drive belt, which is a vital component that transfers power from the motor to the washer drum for agitation and spinning.

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

The error codes E PS and Er, PS on your Speed Queen washer indicate a Pressure Sensor Error. This signifies an issue with the sensor that monitors water level within the washer. Here's an explanation of the problem, potential causes, troubleshooting steps (with caution), and when to consult a qualified technician

The error codes E oF and Er, OF on your Speed Queen washer both indicate an Overflow Error. This signifies that the washer has detected water exceeding a safe level during the wash cycle. 

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

The error codes E nFLo and Er, nF on your Speed Queen washer both indicate a No Water Flow Error. This signifies the washer is unable to fill with water properly during the wash cycle. Here's an explanation of the problem, potential causes, troubleshooting steps you can try and when to consult a qualified technician