Troubleshooting - LG PC Central Controller Installation Manual

Installation of PC Central Controller Software

Troubleshooting

Defect phenomena and check method
Defect
Check method
Defect
Check method
40 PC Central Controller
Double click the ICON on the screen but the
• Double click the Service manager on the screen to stop the program
execution . Then again press the start button
Take out the Hard Lock key and insert again or after the program update save
the Service manager and after that restart the program.
In case all indoor units at the same outdoor of the
central control appears to be non activated
• Confirm PC IP of the PC control.
(CNU has to be in the same NETWORK )
• Confirm whether the power is supplied to CNU(I-G/W).
• Confirm if there is any abnormality in the LAN wire touching .
• Confirm whether the PI 485
• C(BUS_A)/D(BUS_B) terminal changed or not.
LOGIN screen does not appear