BRACKET 9M8977 - Caterpillar

Troubleshooting
Diagnostic Summary Screen
The diagnostic summary screen is separate from the main screen. Press the tab button twice to enter the diagnostic summary screen. Press the tab button again to change the view to the main screen. The first screen that will appear when the diagnostic summary screen is accessed will be like Illustration 2.
Illustration 1 g03408603
Diagnostics Selection Screen
Illustration 2 g03408601
Diagnostics Signal Page
Illustration 3 g03408605
Diagnostics Detail Screen
Additional information of each code is available by highlighting the desired code and pressing the "OK" button. Press the up or down arrows to highlight the desired code. After pressing the "OK" button, the screen will change to a more detailed view of the selected code. Refer Illustration 3.Active codes will have a "X" while logged currently inactive codes have a "-".Event Codes
Motor Grader
Table 1
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 Caterpillar dealer.
Battery Supply Voltage E876 Voltage Above Normal System voltage is above normal. There is a possible issue with the charging system. The object detection system and warnings are disabled until system voltage is above the threshold level. Call your Caterpillar dealer.
Left Rear Medium Range Object Detection Sensor E1144 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 detector. If debris is present, remove the debris. Clean the plastic cover that is on the Object Detection Sensor