# Event priorities
| Expert information
| Overview of event priorities and comparison with OEM priorities
> | Voith Priority | MAN Value | EvoBus Priority | Symbol | Lamp status at driver's workplace | Description / system response |
> Fault | 1 | 2 | 3 |  | Red | A serious fault that impairs roadworthiness and/or safety. Stop vehicle immediately! Transmission shifts to neutral!
> 2 | 2/5 | 2 |  | Amber lamp | Fault that requires an immediate visit to the repair shop. Driving to the repair shop - possibly with restricted functions - is possible.
> Faults | 3 | 5 | 1 |  |  | Slight fault that causes a recommended action to be displayed before starting to drive. The driving behaviour is not impaired or only slightly.
> 4 | 4 | 1 |  |  | Slight fault that causes an instruction to be displayed during the next visit to the repair shop. The driving behavior is not impaired.
> Notes | 5 | 6 | 0 |  |  | Indicates that the transmission / retarder is being operated outside the permissible range. (e.g., overtemperature). This is not a transmission malfunction!
> 6 | 7 | 0 |  | Temperature display | Indicates that the transmission is being operated outside the optimum range. (e.g., increased temperature). This is not a transmission malfunction!
> 7 | 2/5 | 2 |  | Service display | Message of the early-warning system. Information about wear or maintenance work.
> 8 | x | 0 |  |  | Developer / test information.
Up © by Voith Turbo GmbH & Co. KG send remarks to joachim.ehleiter@voith.com (electronic department) or r.theilacker@voith.com (electronic department)