TUBE 4984547 - Caterpillar

Articulated Truck
Table 2
Component     Event     Description     Possible cause    
Battery Supply Voltage     E875     Voltage Below Normal     System voltage is below normal. There is a possible issue with the charging system. Object detection system and warnings are disabled until the system voltage is above the threshold level. Call your Cat dealer.    
Battery Supply Voltage     E876     Voltage Above Normal     System voltage is below normal. There is a possible issue with the charging system. Object detection system and warnings are disabled until the system voltage is above the threshold level. Call your Cat dealer.    
Rear Medium Range Object Detection Sensor     E1147     Object Detection Sensor Blockage Detected     The Object Detection Sensor has detected a blockage. Check for debris in the box that houses the Object Detection Sensor. If debris is present, remove the debris. Clean the plastic cover that is on the Object Detection Sensor