LG Washer Error Code 3E1

The 3E1 code means the washer's control board did not receive a position detection signal from the Hall Sensor during motor startup or operation. The Hall Sensor monitors rotor movement and provides feedback so the control board knows the motor is spinning. The machine retries five times and displays the error on the sixth failed attempt. Common causes include a loose sensor connector, a failed Hall Sensor, or a jammed drum preventing the motor from turning.

Pressing the operation button to restart may temporarily clear the error if the fault was caused by a brief signal interruption, but the code will return if the underlying hardware problem is not fixed. Because the control board only logs the error after six failed retries, a reset alone is not a reliable fix. Identifying and correcting the root cause, whether a loose wire, faulty sensor, or jammed motor, is necessary for a lasting resolution.

Repair costs depend on what component has failed. If the issue is simply a loose wire harness, there may be no parts cost at all. A replacement Hall Sensor typically costs in the range of $15 to $60 for the part. If the motor itself needs replacement, parts and labor combined can range from $150 to $400 or more depending on the specific model and service rates in your area.

Some causes of 3E1 are DIY-friendly. Start by pressing the operation button to restart the washer as the first diagnostic step. Then check whether the drum spins freely by hand and inspect the Hall Sensor wire harness for loose connectors or visible damage. If those checks do not resolve the issue, replacing the Hall Sensor or motor typically requires moderate mechanical skill and comfort working around electrical components.

You should not continue running the washer while the 3E1 error is active. The motor is not operating correctly, and forcing repeated cycles could cause additional stress on the motor, control board, or wiring. It is best to leave the machine powered down until the fault is diagnosed and repaired.