| 1 | 6.5 | Master TVSL sign processor (DP) failure | Yes | Yes |
| 2 | | Slave TVSL sign processor failure | No | Yes |
| 3 | 6.11.1 | LFS set to Blank Display Mode on Master TVSL | Yes | No |
| 4 | | LFS set to Blank Display Mode on Slave TVSL | No | Yes |
| 5 | | Master LFS goes faulty | Yes | Yes |
| 6 | | Slave LFS goes faulty | No | Yes |
| 7 | 7.3 | Master TVSL sign loss of comms with Slave | No | Yes |
| 8 | | Slave TVSL sign loss of comms with Master | No | Yes |
| 9 | | RSCS Software loss of comms with Master TVSL | Yes | Yes |
| 10 | 9.2 | Master TVSL sign Critical faults | Yes | Yes |
| 11 | | Slave TVSL sign Critical Faults | No | Yes |
| 12 | 12.6 | Master failure of 2% of contiguous pixels for displayed image or failure of more than 20% of LEDs | Yes | No |
| 13 | | Slave failure of 2% of contiguous pixels for displayed image or failure of more than 20% of LEDs | No | Yes |
| 14 | | When Master / Slave TVSL sign is restarted until commanded by the RSCS / SRC / Configuration or Maintenance Software | Yes | Yes |
