Fault Codes
Common Fault Codes
Navigation & GPS System
Fault Code | Description | Operator Action |
|---|---|---|
E102 | Weak or No High-Precision GPS (RTK) The machine has a poor quality signal and cannot navigate with high precision. | 1. Check for overhead obstructions (e.g., indoors, under dense tree canopy). |
E111 | Too Far From Path The machine is too far away from the autonomous route to begin or resume navigation. | 1. Manually drive the machine closer to the start of the route or to the point where it stopped. |
E112 | Machine is Lost The machine does not know its current position on the worksite map. | 1. Manually drive the machine to a known location on the map, such as the start point of a route or a mapped QR code. |
E501 | No GPS Fix The machine cannot get a standard GPS location fix. | 1. Move the machine to an outdoor area with a clear view of the sky, away from tall buildings or dense tree canopy. |
E502 | GPS Driver Unresponsive The internal GPS module is not responding. | 1. Perform a full shutdown and restart of the machine (See Section 5.2). |
Perception System (Obstacle Detection)
Fault Code | Description | Operator Action |
|---|---|---|
E201 | Obstacle Perception Disabled The primary safety system for detecting obstacles has been turned off in the settings. | WARNING: Operating the machine in this state is dangerous. |
E206 | LiDAR Sensor Fault The primary LiDAR sensor is not sending data. It may be blocked, dirty, or malfunctioning. | 1. Check the LiDAR sensor for dirt, mud, or other obstructions. Clean with a soft, lint-free cloth. |
E411-E414 | Vision Camera Fault One or more of the vision cameras is not responding. | 1. Check all vision cameras for dirt or obstructions. Clean with a soft, lint-free cloth. |
Hardware & Control System
Fault Code | Description | Operator Action |
|---|---|---|
E301 | E-Stop Button or Bumper Fault An emergency stop button or bumper bar is stuck in the "pressed" state or is disconnected. | 1. Check all red Stop buttons and black bumper bars. Ensure none are stuck, and press/release each one. |
E303 | Motor Driver Fault The system has detected a problem with the motor controller. The machine will not be able to move. | 1. Perform a full shutdown and restart of the machine. |
E304 | Touchscreen Disconnected The touchscreen is not communicating with the main computer. | 1. Check the USB connection for the touchscreen. |

