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Why does my LG ceiling air conditioner show — LG Help Guide: Causes

The "HI" on your LG wired remote is not an error code. It simply indicates that the current indoor temperature is unusually high (above 35.5℃ / 96℉). This message will disappear once you run the air conditioner in cooling mode and the room temperature drops.

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TroubleshootingAir Conditioners

What to Check First

  1. If your room is not hot, but the remote still displays "HI", there may be an issue with the temperature sensor. In this case, contact LG Support for assistance.
  2. The "HI" on your LG wired remote is not an error code. It simply indicates that the current indoor temperature is unusually high (above 35.5℃ / 96℉). This message will disappear once you run the air conditioner in cooling mode and the room temperature drops.
  3. High indoor temperature: If the air conditioner detects that the room temperature is above 35.5℃ (96℉), "HI" will appear on the display to indicate a "High" temperature.
  4. This is not a malfunction. Simply follow these steps:.
  5. Turn on the air conditioner and set the mode to Cool.
  6. Set your desired temperature lower than the current room temperature.
  7. Once the room temperature drops below 35℃ (95℉), the "HI" message will disappear and the current temperature will be displayed.
  8. If these steps don’t resolve the issue, visit the LG Customer Support website for further assistance. You can explore available support options, such as chat support or a technician visit, depending on your region. • Service fees may apply for technician visits if the product is out of warranty. • This guide is based on standard models. Actual settings and menus may vary by model and region. • This content was partially edited using AI for clarity.

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 Why does my LG ceiling air conditioner show?

If your room is not hot, but the remote still displays "HI", there may be an issue with the temperature sensor. In this case, contact LG Support for assistance.

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.

Related LG Products

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

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Read the Official LG Guide