Eaton VORAD EVT-300 Driver Instructions

Also see for EVT-300: Service manual

27Maintenance/DiagnosticPreventive MaintenanceThe only maintenance required should be to keep the Antenna Assembly andSide Sensor clean of heavy buildups of mud, dirt, ice, and other materials thatcould reduce the range of the system. Antenna alignment should also bechecked if any occurrence may have caused it to be misaligned.WARNING: The system will not sense objects if sensor view isobstructed. Therefore, do not place objects in front of the systemsensors. Remove heavy buildups of mud, dirt, ice, and othermaterials.WARNING: Proper alignment is critical to correct operation of thesystem (see VOSM-0030 for Antenna Assembly Alignment proce-dure).WARNING: Be sure the vehicle is not moving during the initialself-test at vehicle’s start-up. Otherwise, the system may notoperate properly.Diagnostic FeaturesThe system performs testing on a continuous basis. Every 15 seconds, theresults of these tests are evaluated by the Central Processing Unit to deter-mine whether or not to report a failure. If a failure occurs within the front radarsystem, the red “FAIL” light on the Driver Display Unit will illuminate continu-ously as long as the failure is active, and the associated failure code is storedin the Central Processing Unit memory until maintenance personnel are ableto check the system.The EVT-300 can indicate active and inactive fault codes stored in the CentralProcessing Unit memory when it is placed into its “Failure Display Mode”.Inactive fault codes are faults which have occurred and have self-corrected.Active faults are faults that are still present. These fault codes provide thedriver the ability to record the system fault during a trip and call either themaintenance department or Eaton Corporation for assistance. When placedinto its “Failure Display Mode” (see “How to Activate Failure Display Mode” onpage 28), specific fault codes are indicated by a pattern of flashes blinked outon the Driver Display Unit’s red “FAIL” light indicator.