Causes and Symptoms
Floor standing product
- An error code occurs in the product. [No display]
- A message saying [Smart installation test run is necessary] is displayed on the product.
- The louver opens and then closes after a while, or it does not work.
Wall mounted, combined [master bedroom] wall mounted products
- An error code occurs in the product [No display]
- 3 LEDs blink continuously at the same time.
- The louver opens and then closes after a while, or it does not work.
No display, LEDs blinking simultaneously, no product operation with [Smart installation] display, product
turns off immediately - These occur because test run has not worked normally after product installation.
Test run the product.
What is a test run?
Products in which test run was not performed do not operate normally.
Try this
Test run
➔ Test run LED-type products
1. Press and hold the [Start/Stop] button and the [Temp Down] button on the main body of the floor standing product at the same time for 3 seconds.
2. When you take your hand off the buttons after you hear a ringing sound once from the product, the test run will start.
3. During test run, [Lo] will be displayed for approximately 3 minutes and the required test run progress
[1-99] will be displayed for approximately 4 minutes.
Right after that, [EN] is displayed and selective operation is automatically executed for about 10
minutes.
Wait until the test run is completed.
It takes approximately 0 to 3 minutes [required operation].
It takes approximately 7 minutes [required operation].
It takes approximately 10 minutes [selective operation].
➔ Test run LCD-type products
1. Press and hold the [Start/Stop] button and the [Temp Down] button on the main body of the floor standing product at the same time for 3 seconds.
2. When you take your hand off the buttons after you hear a ringing sound once from the product, the test run will start.
3. During test run, the required test run progress is displayed for approximately 7 minutes.
Right after that, the selective operation is automatically executed for about 10 minutes.
Wait until the test run is completed.
It takes approximately 7 minutes [required operation].
It takes approximately 10 minutes [selective operation].
Do not press the forced operation switch or a remote control button while test run.
The product does not operate normally if it is terminated before completing the required operation.
If you press the button, the test run may be stopped before completion.
A check code such as CH 05, 38, 53, 66, 90 or 91 is displayed on the display.
These check codes require a product check by an installation technician for such issues as power cord
misconnection and refrigerant condition checking in the product installation process.
It is recommended that you check the product status after having an installation technician check the
installation status first.
This guide was created for all models, so the images or content may be different from your product.