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Error code reference

ADC Washer Error Code E2

Door lock fault

ADC codesADC washer codes

Door lock fault — the door cannot be unlocked at the end of the program or it has unlocked during the program.

First step from the service manual

Press ESC to end the program.

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

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What E2 means on a ADC washer

The E2 error code on an ADC washer signals a door lock fault, specifically that the door locking mechanism has either failed to release at the conclusion of a wash program or that it has disengaged unexpectedly while the cycle was still running. The door lock system is a critical safety interlock that prevents the door from being opened while the drum is spinning or while water is present in the tub. When the control board detects that the lock actuator is not responding correctly to its commands, whether it is remaining engaged when it should release or dropping out during an active cycle, it registers the E2 fault and halts normal operation.

The door lock assembly on these machines typically consists of a solenoid or bi-metal actuator, a locking bolt or cam, and a position switch that reports the lock state back to the main control board. A failure in any of these elements can trigger E2. If the actuator coil has developed an open circuit or a short, it will not move the locking mechanism on command. If the position switch has failed or its wiring harness has a loose connection or broken conductor, the control board receives inaccurate feedback about the lock state. Mechanical wear or deformation of the lock bolt can also prevent proper engagement or disengagement.

In some cases, the fault is not in the lock assembly itself but in the wiring between the assembly and the control board, or in the board's output relay that drives the lock solenoid. Intermittent E2 faults that occur mid-cycle are often linked to wiring harness issues, particularly at connectors near the door hinge area where repeated flexing causes conductor fatigue. Persistent faults that appear only at program end are more commonly tied to a worn actuator or a failed position switch.

Source: manufacturer service documentation.

Common causes of E2

  1. 01

    Failed door lock actuator

    Part replacement

    The solenoid or bi-metal actuator inside the lock assembly has worn out or developed an open circuit, preventing the lock from engaging or releasing on command. This is the most frequent hardware cause of E2 and typically requires replacing the entire lock assembly.

  2. 02

    Faulty door lock position switch

    Part replacement

    The switch that reports lock status back to the control board has failed, causing the board to receive incorrect feedback about whether the door is locked or unlocked. Testing the switch for continuity at the appropriate lock and unlock positions will confirm this fault.

  3. 03

    Wiring harness damage or loose connector

    Wiring / connection

    Broken conductors or loose connector pins in the harness between the door lock assembly and the control board can cause intermittent or permanent E2 faults, especially in the wiring routed near the door hinge. Inspect connectors and flex points carefully for corrosion, pinched wires, or fatigue breaks.

  4. 04

    Mechanical obstruction or worn lock bolt

    Part replacement

    Physical wear or deformation of the lock cam or bolt can prevent the mechanism from completing its travel, leaving it stuck in the locked or unlocked position. Inspect the lock assembly for visible wear, debris, or deformation of moving parts.

  5. 05

    Control board output relay failure

    Part replacement

    If the relay on the main control board that supplies voltage to the lock actuator has failed, the actuator will not receive the signal to lock or unlock regardless of the lock assembly's condition. This is less common but should be considered if the lock assembly tests correctly.

See the test procedure for each cause

Frequently asked questions about E2

What does E2 mean on a ADC washer?
E2 on an ADC washer indicates a door lock fault. The control board has detected that the door either could not be unlocked at the end of a wash program or that it unlocked unexpectedly during the program. The fault points to a problem in the door lock assembly, its position switch, the associated wiring, or the control board's lock output circuit.
How do I fix the E2 error on my ADC washer?
Start by pressing the ESC button to end the current program and attempt to clear the active fault. If the door releases and the error does not return, inspect the lock assembly and wiring connectors for any obvious issues before running another cycle. If the error persists, you will need to test the lock actuator and position switch for electrical continuity, inspect the wiring harness for damage, and replace whichever component has failed.
Is it safe to use my ADC washer when the E2 code is showing?
No, you should not continue using the washer until the E2 fault is resolved. A door lock that disengages during a cycle creates a risk of the door opening while the drum is spinning or water is present in the tub. If the door cannot be unlocked at the end of a cycle, do not force it open, as this can damage the lock assembly further.
Will resetting the washer clear the E2 error code?
Pressing ESC is the recommended first step and may clear the fault if it was caused by a momentary signal issue. However, if the underlying component, whether the actuator, position switch, or wiring, has actually failed, the error will return when the machine tries to lock or unlock the door again. A reset alone will not fix a hardware fault.
How much does it cost to repair an ADC washer E2 door lock fault?
Repair costs vary depending on which component has failed. A replacement door lock assembly typically falls in the range of $30 to $90 for parts. If the control board needs replacement, costs can rise considerably higher. Adding labor charges for a professional technician, total repair costs commonly range from $80 to $250 or more depending on the specific fault and local service rates.

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