Upper OPERATION INDICATOR lamp stays ON for 3 seconds (no beep) then blinks — Outdoor unit abnormal (recall function)

What does Upper lamp ON 3s (no beep) then blinks 0.5s mean?

When you activate the failure mode recall function, if the upper lamp on the indoor unit stays ON for 3 seconds without a beep, and then starts blinking at 0.5-second intervals, it indicates an abnormality in the outdoor unit.

• An abnormal condition has been detected in the outdoor unit.

Click steps to track your progress.

1. 1

   Note the blinking pattern shown during this recall function for the outdoor unit.

2. 2

   Refer to the outdoor unit service manual for specific outdoor unit failure mode recall functions and troubleshooting steps.

3. 3

   Release the failure mode recall function by turning off the main power supply and turning it on again, or by pressing the remote controller's RESET button.