| 1 |
Indicator lamp (LED) |
| LED off |
System not operable |
| Green LED lights up |
System OK; The trailer tow hitch is in locked end position |
| The green LED flashes (2 Hz) |
Trailer or adapter plugged in |
| The red LED flashes (2 Hz) |
The trailer tow hitch is not in the locked end position. (trailer tow hitch is in intermediate setting) |
| Red LED lights up |
Undervoltage or. overvoltage detected; < 9V or > 16V |
| The red LED flashes (4 Hz) |
Control unit not initialized |
| Orange LED lights up or flashes green/orange or red/orange |
Control unit faulty |
| Summary, indicator lamp function indicator light (LED) |