This signal is transmitted from DCU to the vehicle within the message DCU_Veh_#1, a mask is applied to the value to extract information:
| Signal value |
Mnemonic |
Description |
| 0000 0000 |
--- |
No active error. |
| xxxx xxx1 |
Fault1 |
Open load detected for at least 1 sensitive edge. |
| xxxx xx1x |
Fault2 |
Buzzer short circuit detected. |
| xxxx x1xx |
Fault3 |
Entrance lights short circuit detected. |
| xxxx 1xxx |
Fault4 |
Not used. |
| xxx1 xxxx |
Fault5 |
Electric motor open load detected. |
| xx1x xxxx |
Fault6 |
Electric motor short circuit detected. |
| x1xx xxxx |
Fault7 |
Electric motor-brake open load detected. |
| 1xxx xxxx |
Fault8 |
Electric motor-brake short circuit detected. |
