LG AHNW09806A0 User Guide

These icons indicate that the backup electric heater which is located inside the indoor unit is
operating. 

This icon indicates that sanitary water tank electric heater which is located inside sanitary
water tank is active. 
The icon is not used when sanitary water tank is not installed.

This icon indicates that the water pump inside the indoor unit is active.

This icon indicates that auxiliary solar thermal pump is active.
NOTE : As installation of auxiliary solar thermal pump is not compulsory but
recommendation according to field condition, this icon can be seen although no auxiliary
solar thermal pump is installed.

This icon indicates that the defrost mode is active.
In space heating operation or sanitary water tank heating operation, freezing of the outdoor
heat exchanger may be occured due to low outdoor temperature and humidity. If this risk
occurs, the product goes into defrost operation. It reverses the cycle and takes heat from the
indoor system to prevent freezing of the outdoor system. This mode is automatically
operating.

The purpose of this mode is maintaining the temperature to prevent damage by freezing of
water pipe.

This icon indicates disinfecting operation is ongoing in sanitary water tank.

This icon indicates that the outdoor unit is active.