LG PQCSB101S0 Bedienungsanleitung Seite 11

Operation Tips
Self Diagnosis for Indoor unit
Normal
The On/Off status indicator LED of individual indoor unit is On/Off
(depends upon unit state)
Error condition
If there is an error in the indoor unit, the On/Off status indicator LED
of the that indoor unit turns red and when it recovers normal
condition, the LED will turn green or orange depending on the
operating mode.
Set Group Inquiry
Press the Total On, Total Off and no. 6 button simultaneously.
The On/Off status indicator LED equivalent to the group number set
in the controller will flash.
e.g. If LED 2 blinks, the group no. is 1.
Owner's Manual 11