The Control Lock is activated
The control will not function until the control lock is deactivated. The “LoC” or “LC” codes will appear if you try to push the interface buttons. These codes are a reminder that you need to deactivate the control lock.
How to activate the Control Lock:
Press and hold the Control Lock button down for 3 seconds. There will be an indication counting down to the lock activation. The Start and Power buttons will still be active.
How to deactivate the Control Lock:
Do the same: press and hold the button for 3 seconds.