LG ATNH12GRLE2 Owner's Manual page 33

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 (Grille Type)
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
seconds. Then filter sign LED is off.
Cooling model
Cooling
High
22°C
Heat pump model
Room temperature
≥ set temperature -2°C
Cooling
Set available
Set available
Owner's Manual 33
Operating Instructions
Forced operation
(Tact switch)
Room temperature
≥ set temperature -2°C
Heating
Set available
Set available