mypros+
Error code reference

ADC Washer Error Code E3

Drain pipe fault

Drain pipe fault — after deactivating the emptying valve output, the water level inside the drum has not decreased within a pre-established period of time.

First step from the service manual

Press START to continue the program, or press ESC to end the program.

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

MyPros+ Max

Get the full diagnostic procedure for E3.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What E3 means on a ADC washer

The E3 error code on an ADC washer indicates a drain pipe fault. Specifically, the control board has signaled the emptying valve output to deactivate, but the water level sensor inside the drum detects that the water level has not dropped within the pre-established time window. This means the machine expected the drum to empty after the drain valve was told to close or open, but standing water remains, suggesting a failure somewhere in the drain system.

The components most likely involved include the drain valve itself, the drain hose, the pump, and the pressure sensor or water level sensor that reports drum water levels back to the control board. If the drain valve is stuck closed or partially obstructed, water cannot exit the drum. Similarly, a kinked, clogged, or improperly routed drain hose can restrict flow enough to prevent the drum from emptying within the allowed time. A failed drain pump would produce the same result, as it cannot move water out of the machine regardless of valve position.

A secondary but important consideration is the pressure switch or water level sensor. If this sensor is malfunctioning, it may report that water is still present even after the drum has drained correctly, causing a false E3 fault. Diagnosing E3 requires checking physical drainage components first, then verifying that the level sensing system is functioning accurately. The control board offers a prompt to press START to continue the program or press ESC to end it, which can help isolate whether the fault is intermittent or persistent.

Source: manufacturer service documentation.

Common causes of E3

  1. 01

    Clogged or kinked drain hose

    Wiring / connection

    A drain hose blocked by lint, debris, or a kink will prevent water from exiting the drum within the required time. Inspect the full length of the hose from the pump outlet to the standpipe for bends, obstructions, or blockages.

  2. 02

    Failed or obstructed drain pump

    Part replacement

    If the drain pump motor has failed or a foreign object such as a coin or button is lodged in the pump impeller, water cannot be moved out of the drum. Listen for unusual noises from the pump during the drain cycle and inspect the pump filter for debris.

  3. 03

    Stuck or faulty drain valve

    Part replacement

    The drain valve may be mechanically stuck in the closed position or may have a failed solenoid, preventing it from opening fully to allow water to flow out. Check for proper voltage at the valve solenoid and verify the valve moves freely.

  4. 04

    Faulty pressure switch or water level sensor

    Part replacement

    If the pressure switch or water level sensor is defective, it may incorrectly report that water is still present in the drum after a successful drain, triggering a false E3 code. Check the sensor hose for blockages and verify the sensor output corresponds accurately to actual water levels.

  5. 05

    Blocked standpipe or household drain

    Wiring / connection

    A clog in the home standpipe or drain connection can cause water to back up into the drain hose and prevent the machine from emptying. Check for slow draining at the standpipe and clear any household plumbing blockages.

See the test procedure for each cause

Frequently asked questions about E3

What does E3 mean on a ADC washer?
The E3 code on an ADC washer signals a drain pipe fault. After the control board deactivated the emptying valve output, the water level inside the drum did not decrease within the pre-established time period. This tells you the machine attempted to drain but water remains detected in the drum. The likely cause is a blockage or failure somewhere in the drain system, including the hose, pump, or drain valve.
Can I fix the E3 error on my ADC washer myself?
Many E3 causes are accessible to a knowledgeable DIYer. Start by checking the drain hose for kinks or clogs and inspecting the pump filter for debris. Clearing a blocked hose or removing a foreign object from the pump filter requires no special tools and no replacement parts. If the pump motor or drain valve has failed, those repairs involve replacing components and require basic electrical and plumbing skills.
Will resetting my ADC washer clear the E3 error?
The machine provides the option to press START to continue the program or press ESC to end it, but these steps do not fix the underlying problem. If the drain path is still blocked or a component has failed, the E3 code will return as soon as the machine attempts to drain again. A reset is only useful for confirming whether the fault is intermittent. The root cause must be identified and corrected for the error to stay cleared.
Is it safe to continue using my ADC washer when the E3 code appears?
Running the washer with standing water in the drum can lead to incomplete cycles, wet laundry left inside, and potential water overflow if the fault is severe. It is not recommended to keep running the machine through multiple cycles while the E3 error is active. Press ESC to end the program, then inspect the drain system before attempting further use.
How much does it cost to repair an E3 drain fault on an ADC washer?
Repair costs vary depending on the failed component. Clearing a clogged drain hose or pump filter typically costs nothing beyond your time. Replacing a drain pump can range from roughly $75 to $200 including the part and labor, while a drain valve replacement generally falls in the $50 to $150 range. If a pressure switch or water level sensor needs replacement, expect costs in the $40 to $120 range depending on parts availability and labor rates in your area.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass