LG PACP4B000 Installation & User Manual page 51

Troubleshooting
During the use of the ACP IV, if unexpected problem occurs, please find the solution by studying the
following list.
When BUS-A or BUS-B LED of CH1~4 port is not blinking during the product installation
When BUS-A or BUS-B LED of CH1~4 port is not blinking during the product installation, run it after
setting the indoor and outdoor unit groups.
When GUI cannot be operated in web GUI, which is the operation program of the ACP IV
When GUI cannot be operated in web GUI, which is the operation program of the ACP IV, close
Explorer window, and run new Explorer to access again.
Close all iexplorer.exe process in Task Manager, and access to the ACP IV again.
After running Task Manager, you can select 'Task Manager' in the popup menu window displayed by
clicking the right button of the mouse on the menu bar of the window.
Installing ACP IV 41