NE2
LG Washing Machine
Severity: ModerateWhat Does This Error Mean?
The NE2 error on an LG washer indicates a fault with the inverter drive board — the electronic board that controls motor speed and power. The machine detected an abnormal signal or voltage from this board and stopped the cycle to prevent damage. This is typically a repair for a technician.
Affected Models
- WM3900HWA
- WM4000HWA
- WM4500HBA
- WM3500CW
- Most LG inverter direct-drive washers
Common Causes
- Inverter board has failed or developed an internal fault
- Wiring harness between the inverter board and the main PCB is loose
- Power supply issue — voltage fluctuations stressing the inverter board
- Motor hall sensor sending abnormal signals to the inverter board
- Overheating of the inverter board due to poor ventilation
How to Fix It
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Unplug the washer for 15 minutes to allow a full power reset.
Occasional inverter errors can be caused by power fluctuations. A full reset sometimes clears a temporary fault.
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Check that the washer is plugged into a dedicated outlet — not a power strip or extension cord.
LG washers draw significant current. Using an extension cord or sharing an outlet can cause voltage drops that trigger inverter errors.
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Make sure the area around the washer is well ventilated.
Inverter boards generate heat during operation. If the machine is in an enclosed space with poor airflow, the board can overheat.
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Plug the washer back in and try a short cycle.
If the NE2 error does not return immediately, continue monitoring. If it comes back within one or two cycles, the inverter board is failing.
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If the error persists, call a technician to inspect the inverter board and wiring.
Do not try to run the machine repeatedly through NE2 errors — this can damage the motor.
When to Call a Professional
NE2 almost always requires professional service. The inverter board is a core component that controls the motor. Replacing it requires the correct part number for your specific model. Expect repair costs of $200–$350 for the board and labor.
Frequently Asked Questions
What is the inverter board on an LG washer?
LG washers use a direct-drive motor controlled by an inverter board. The inverter board converts the incoming AC power into precise variable speed signals for the motor. Think of it as the brain that tells the motor how fast to spin. If it fails, the motor cannot operate.
Is the NE2 error covered by LG's warranty?
LG washers typically come with a 1-year parts and labor warranty, plus a 10-year motor warranty. If the NE2 error is caused by a motor or inverter board fault, it may be covered. Contact LG support with your model and serial number to check warranty status.
Can power surges cause the NE2 error?
Yes — voltage spikes or dips during a storm or from nearby heavy appliances can damage inverter boards. Consider plugging your washer into a surge-protected outlet to protect the electronics. If the board was damaged by a power surge, it typically needs replacement.