Abstract: System and method for monitoring the functioning of electric components on a vehicle or a vehicle combination, where the system includes a control system, means for activating at least one electric component, means for allowing an operator to give at least one message to the control system, means for allowing the control system to give at least one message to the operator, and means for measuring at least one characteristic value for the component.

Abstract: A method and a device for heating powder, especially for preheating powder in view of subsequent compacting, are disclosed. The powder is divided into partial flows which are heated separately to a predetermined temperature. Then, the partial flows are brought together to form a common flow of heated powder. The partial flows are so heated that an uniform temperature is attained over essentially the entire cross-section of each of the partial flows before these are brought together. The device comprises a storage container (10) for the powder, and a heating unit (20) for receiving powder from the storage container (10) and heating it. The heating unit (20) comprises a plurality of spaced-apart heating surfaces (27) defining between them a plurality of flow channels (28) for the powder.