LG ARNU18GTLC2 Owner's Manual page 9

Forced Operation
Operation procedures when the remote control can't be used.
Press the tact switch (Forced operation) for 2 seconds.
If you want to stop operation, press again the tact switch.
In case the power comes on again after power failure on the Forced
Operation mode, the operating conditions are automatically set as
follows:
During Forced Operation, the initial mode continues.
Operating mode
Indoor FAN Speed
Setting Temperature
Auto Restart Function
In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate
procedures automatically to the previous operating conditions.
Tips for Filter sign LED
1. Filter sign lamp (LED) is ON.
2. If LED indicating filter sign lamp is ON, clean the filter.
3. After cleaning the filter, press the Timer button and ◀ button of wired remote controller at the same time for 3 sec.
Then filter sign LED is OFF.
Cooling Model
Room Temp. ≥ set Temp.-2°C Room Temp. < set Temp.-2°C
Cooling
High
22°C
Operating Instructions
Forced operation
(Tact switch)
Heat pump Model
Cooling
set available
set available
Ownerʼs Manual 9
Heating
set available
set available