BACK UP DISPLAY appears on screen — Contact your dealer

What does BACK UP DISPLAY mean?

The 'BACK UP DISPLAY' is indicated for 1 second at intervals of 5 seconds when the air conditioner is in operation. If this display appears, it signals an issue that requires professional attention.

• Internal system fault or diagnostic alert.
• Problem requiring specialized service or repair.

Click steps to track your progress.

1. 1

   Note the appearance of the 'BACK UP DISPLAY' and its pattern.

2. 2

   Contact the dealer where the unit was purchased immediately for service.

3. 3

   Provide the dealer with details about when and how the 'BACK UP DISPLAY' appeared.

4. 4

   Avoid attempting to troubleshoot or repair the unit yourself to prevent further damage or voiding warranty.

5. 5

   If automatic operation is selected for units like KX (except KXR), and this display appears, ensure automatic operation is disabled on the remote controller by pressing MODE and ACL switch (or MODE and inserting batteries).