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Error code reference

Midea Washer Error Code E3A

Drying heater open circuit; drying function cannot work.

Midea codesMidea washer codes

Drying heater open circuit; drying function cannot work.

First step from the service manual

Push the red part of the temperature sensor before checking; check inner wire on PCB, fan motor heater, temperature sensor; check heater resistance; clean lint on fan wheel and air condenser.

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

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What E3A means on a Midea washer

The E3A error code on a Midea washer indicates an open circuit condition in the drying heater circuit. An open circuit means the electrical path through the heater element has been broken, preventing current from flowing and making the drying function completely inoperable. The washer's control board monitors the heater circuit continuously during drying cycles, and when it detects that the expected current is not flowing through the heater, it triggers E3A and halts the drying function to prevent damage or unsafe operation.

The drying system on a Midea washer-dryer combo involves several interconnected components: the heater element itself, a temperature sensor (thermal limiter), a fan motor, and the PCB wiring harness. If any point in this circuit is broken, the control board sees an open circuit. A key diagnostic detail specific to Midea units is that the temperature sensor includes a red reset button. If the sensor has tripped due to overheating, it will break the circuit until the red button is physically pressed to reset it. This is the first step to check before assuming a component has failed.

Beyond a tripped thermal sensor, E3A can result from a failed heater element with measurably infinite resistance, a broken or disconnected wire in the PCB harness, or airflow restrictions caused by lint buildup on the fan wheel or air condenser. Restricted airflow causes the system to overheat repeatedly, which trips the thermal sensor or eventually damages the heater element. Checking heater resistance and inspecting all internal wiring connections, along with cleaning the fan wheel and air condenser, are essential diagnostic steps before replacing any parts.

Source: manufacturer service documentation.

Common causes of E3A

  1. 01

    Tripped thermal limiter on temperature sensor

    Wiring / connection

    The temperature sensor has a red reset button that trips if the drying system overheats. Pressing this red button resets the sensor and may immediately restore the circuit without any parts replacement.

  2. 02

    Lint blockage on fan wheel or air condenser

    Wiring / connection

    Accumulated lint on the fan wheel or air condenser restricts airflow, causing the system to overheat and trip safety components. Cleaning these areas restores proper airflow and may prevent the error from returning.

  3. 03

    Failed heater element (open circuit)

    Part replacement

    The heater element itself can fail internally, resulting in infinite or out-of-spec resistance when measured with a multimeter. A confirmed open reading across the heater terminals means the element must be replaced.

  4. 04

    Broken or disconnected PCB wiring

    Wiring / connection

    Wiring inside the machine connecting the PCB to the heater, fan motor, or temperature sensor can become loose, corroded, or broken. Inspecting all connectors and inner wire routes along the PCB is necessary to rule this out.

  5. 05

    Faulty fan motor

    Part replacement

    A fan motor that has failed or is running sluggishly will reduce airflow through the drying circuit, causing thermal trips and contributing to heater circuit faults. Check the motor for proper operation and free rotation.

See the test procedure for each cause

Frequently asked questions about E3A

What does E3A mean on a Midea washer?
E3A on a Midea washer indicates an open circuit in the drying heater circuit, meaning the electrical path through the heater element has been broken. As a result, the drying function is completely disabled. The cause can range from a tripped thermal sensor to a failed heater element, broken wiring, or lint-clogged airflow components.
How do I fix the E3A error on my Midea washer?
Start by locating the temperature sensor and pressing its red reset button, as a simple thermal trip can cause this error without any component failure. Next, clean any lint from the fan wheel and air condenser to restore proper airflow. If the error persists, check the resistance of the heater element with a multimeter and inspect all internal wiring connected to the PCB, fan motor, and temperature sensor for breaks or loose connections.
Will resetting the washer clear the E3A error?
A standard power reset alone is unlikely to clear E3A if the underlying circuit fault still exists. The error will return as soon as the drying cycle is attempted again. The most effective reset is pressing the red button on the temperature sensor, which physically restores the thermal limiter circuit. Any wiring, heater, or airflow issues must also be corrected before the error will stay cleared.
Is it safe to keep using my Midea washer with the E3A error?
The washing function may still operate with E3A active, but the drying cycle will not work. It is generally safe to continue using the wash-only function while diagnosing the issue. However, running repeated drying cycles in a state where airflow is blocked or components are partially failing can cause further damage, so the root cause should be addressed promptly.
How much does it cost to repair an E3A error on a Midea washer?
If the fix is simply pressing the red reset button on the thermal sensor or cleaning lint from the fan wheel and condenser, there is no parts cost at all. If the heater element needs replacement, parts and labor combined typically range from around $100 to $300 depending on your region and service provider. Wiring repairs or a fan motor replacement may fall within a similar range, though costs vary based on the specific components involved.

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