Lightning XCU2030 (English)
At first, make sure that the green LED at Lightning is on.
If not, make sure that the power is connected and that the fuse is ok.
When a red LED flashes at Lightning there is no CAN connection.
Make sure that the CAN connection is correct. You will find that information in in our Vehicle Models list at LIGHTNING FX | hagardzon.
Also make sure that the pads are correct attached.
When a yellow LED flashes at Lightning there is a problem with detecting the vehicle model.
At first, make sure Lightning supports the vehicle model. You will find the information in our Vehicle Models list at LIGHTNING FX | hagardzon.
Then check if Lightning is connected to the correct CAN cables.
When only a green LED is on at Lightning everything is ok and it is ready to use.