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Operating your dehumidifier — LG Help Guide: Causes, Checks & Fixes

Note: • If the product is restarted immediately after being shut down, to protect the compressor there is a 3-minute delay until the compressor begins operating. • It is normal for the compressor to cause the product to vibrate while starting or stopping.

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What to Check First

  1. Power on Press Power Button to turn on the power. It takes 30 minutes of continuous operation to reach the desired humidity level the first time the product is used.
  2. The display shows the current humidity level.
  3. Humidity Press the Up / Down Buttons to change humidity The desired humidity level can be set in 5-percent increments from 30-80%.
  4. The display shows the desired humidity level while it is being set, then reverts to the current humidity level after 5 seconds.
  5. The current humidity level is displayed in 5-percent increments from 25-90%. If the humidity level is outside the range, the display continues to show either 25% or 90%.
  6. Fan speed Press Fan speed to change the fan speed The fan speed has two levels: low or high.
  7. Power Off Press to Power Button turn off the product.
  8. Power On Press to Power Button turn on the product.
  9. Timer Press the Timer Button to set the automatic shut off time. Press the button repeatedly to increase the time until shut off in 1-hour increments up to 12 hours.
  10. Cancel Press the Timer Button to cancel the Timer function. Press the Timer button repeatedly until the Timer light turns off.

Why This Can Happen

Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.

Safety and Model-Specific Guidance

Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.

Frequently Asked Questions

What should I check first for Operating your dehumidifier?

Power on Press Power Button to turn on the power. It takes 30 minutes of continuous operation to reach the desired humidity level the first time the product is used.

When should I stop troubleshooting and contact LG?

Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.

Does this guidance apply to every LG model?

Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.

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These model pages are linked because the stored category or exact model matches this Help Library topic.

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