Turns off by itself [air conditioner]
If the test run after installation of the product is not properly performed, there will be no message being displayed in the control panel window of the air conditioning head unit or, the product will immediately turn itself off soon after the installation and test run. Carry out the product test run by carefully following the instructions.
Products for which no test run performed tend to not operate normally.
How to do a test run/operation?
Product symptoms encountered when no test operation performed
1. An error code occurs in the product. [No display]
2. 3 LEDs blink continuously at the same time.
3. The louver opens and then closes after a while, or it does not work.
➔ Product Test run might not be normally performed if the same symptom persists immediately after installation.
You may ask test run to installation technician, or you can perform test run by yourself.
Checking the display for a “test run not performed” error
➔ Failure of test run displayed on LED lamps, Failure of test run displayed on LED lamps [Three LED lamps turned on simultaneously]
Try this
Test running
➔ Test running of LED type
1. Open the louver of the indoor unit.
2. Keep pressing the forced operation switch on the right of the product for 3 to 6 seconds.
Test run starts once you opt out from the switch when ‘cling’ sounds once from the product.
3. “Lo” is displayed for approximately 3 minutes during test run, and progress ratio of the required test
run is displayed in numbers between 1 and 99 for approximately 4 minutes.
EN is immediately displayed, and the selected mode is automatically executed for approximately 10
minutes.
Wait until the test running is completed.
[required operation]: It takes approximately 0 to 3 minutes.
[required operation]: It takes approximately 4 minutes.
[optional operation]: It takes approximately 10 minutes.
Do not press the forced operation switch or a remote control button during test running.
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.
In case of error codes CH 05, 38, 53, 66, 90, and 91
If any of the above error codes is displayed, have the installation technician check the product for erroneous wiring of power cables, or status of refrigerant during installation of the product.
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 single/multi-split air conditioner inside head unit model types. Images or content presented herein may differ from your product.
