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Error code reference

Speed Queen Washer Error Code EI:01

Infra-red transmission failure during Micro-Wand communication.

Speed Queen codesSpeed Queen washer codes

Infra-red transmission failure during Micro-Wand communication.

First step from the service manual

Re-aim Micro-Wand and try again.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What EI:01 means on a Speed Queen washer

The EI:01 error code on a Speed Queen washer indicates a failure in the infrared (IR) transmission signal during communication with the Micro-Wand, a handheld diagnostic and programming tool used by technicians to interface with the washer's control system. The Micro-Wand communicates with the machine through a line-of-sight infrared signal, similar in principle to a TV remote control. When the washer's IR receiver fails to detect a valid signal from the Micro-Wand, the EI:01 code is generated and communication is interrupted.

The most frequent cause of this error is a misalignment between the Micro-Wand's IR transmitter and the washer's IR receiver window. Even a small angular offset, obstruction, or excessive distance can break the communication link entirely. Ambient light sources, particularly direct sunlight or bright fluorescent lighting near the IR port, can also saturate the receiver and cause false read failures.

Additional causes include a depleted or failing battery in the Micro-Wand, a dirty or scratched IR lens on either the wand or the receiver port on the machine, or an internal fault in the washer's control board IR receiver circuit itself. Because the first recommended diagnostic step is simply re-aiming the Micro-Wand, the majority of EI:01 occurrences are resolved without any parts replacement.

Source: manufacturer service documentation.

Common causes of EI:01

  1. 01

    Micro-Wand misalignment

    Wiring / connection

    The IR signal requires a clear, direct line of sight to the washer's receiver port. Holding the Micro-Wand at an angle or too far away will prevent the signal from registering.

  2. 02

    Obstruction between Micro-Wand and receiver

    Wiring / connection

    Any physical object placed between the wand and the IR receiver window on the washer will block the signal. Check that nothing is covering or partially blocking the receiver port.

  3. 03

    Excessive ambient light interference

    Wiring / connection

    Strong direct sunlight or bright fluorescent lighting aimed at the receiver port can overwhelm the IR sensor, preventing it from detecting the Micro-Wand's signal. Moving the wand or shading the receiver area can resolve this.

  4. 04

    Weak or depleted Micro-Wand battery

    Part replacement

    A low battery in the Micro-Wand reduces the strength of the IR transmission. Replacing the battery and retrying communication will confirm if this is the cause.

  5. 05

    Dirty or damaged IR lens

    Wiring / connection

    Dirt, grease, or scratches on the IR lens of the Micro-Wand or on the washer's receiver window can diffuse or block the signal. Clean both surfaces with a soft, dry cloth and inspect for physical damage.

See the test procedure for each cause

Frequently asked questions about EI:01

What does EI:01 mean on a Speed Queen washer?
EI:01 indicates an infrared transmission failure during communication between the Micro-Wand diagnostic tool and the washer's control system. The washer's IR receiver did not detect a valid signal from the wand. This is a communication error related to technician diagnostic equipment, not a fault in the washer's wash or spin functions. Re-aiming the Micro-Wand directly at the IR receiver port is the first corrective step.
How do I fix the EI:01 error on my Speed Queen washer?
Start by re-aiming the Micro-Wand so it points directly at the washer's IR receiver port with no obstructions in between. Reduce ambient light near the receiver if bright sunlight or strong artificial lighting is present. Check the Micro-Wand battery and replace it if the charge is low. Clean the IR lens on both the wand and the receiver port with a dry cloth.
Is the EI:01 error on a Speed Queen washer a safety concern?
No, EI:01 is not a safety-related fault. It indicates a communication issue between the Micro-Wand diagnostic tool and the washer, and it does not reflect a problem with the machine's mechanical or electrical safety systems. The washer's normal operation is not directly impaired by this error code.
Will resetting the washer clear the EI:01 error code?
A standard power reset of the washer is unlikely to resolve EI:01 on its own, since the error is generated during active Micro-Wand communication rather than during a normal wash cycle. The code will clear once the IR communication link is successfully established by correcting the alignment, removing obstructions, or addressing the wand's battery or lens condition.
How much does it cost to repair a Speed Queen washer showing EI:01?
In most cases, there is no parts cost at all, since the error typically resolves by repositioning the Micro-Wand or replacing its battery. If the washer's control board IR receiver circuit is found to be faulty, the cost of a control board replacement can range from roughly 150 to 400 dollars or more depending on labor rates and part availability.

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