M-Series troubleshooting
Problem/Symptom | Probable cause | Corrective action required |
The device does not check in/ does not appear on the map | The device is not activated | Contact your account administrator to confirm the device is activated. |
The device does not check in/ does not appear on the map | The device is not powering on | Ensure the device's power connections/wiring are secure, properly connected, and not damaged.
Check the in-line fuse on B+ on the machine wiring harness. Replace the fuse, if the in-line fuse is blown.
Check to ensure the B+ power connection is always on (Un-switched). |
The device does not check in/ does not appear on the map | The device is damaged | Replace the device. |
The device does not check in/ does not appear on the map | The antenna's line of sight to GPS satellites is obstructed | Move the asset outside and ensure that the device's antenna has an unobstructed view of the sky. |
The in-line fuse always blows | Electrical short wiring harness | Replace the wiring harness. |
The in-line fuse always blows | Device shorting out | Replace the device. |
CANbus®
The CANbus Communication table outlines solutions to CANbus issues on M-series Devices.
Problem/Symptom | Probable cause | Corrective action required |
No CANbus values | CANbus is not communicating | Check the CANbus connections. You may need to reverse the CAN (+) and CAN (-) signal wires on the termination points. |
No CANbus values | Termination resistance is missing | The Termination resistor may be disconnected or faulty. If equipped, ensure the terminal plug is properly installed. |
No CANbus values | Control panel issue | If CANbus did communicate but no longer does, refer to the machine control panel guide to check the settings. |
Incomplete CANbus data | Incorrect device configuration
Customer ECU issue | Contact your account administrator. |
The engine is running, but the device data indicates the engine is not running. | Engine data not transmitting
No CANbus data | Check the CANbus connections. You may need to reverse the CAN (+) and CAN (-) signal wires on the termination points. |
LED Indicators
All M-series devices have two status LEDs, a GPS and COM (cellular). Please refer to the tables below for the LED behaviours.
COM “Cellular” LED (Orange):
Condition | LED |
Modem off | Off |
Modem on and searching | Slow flashing |
Network available | Fast flashing |
Registered but no inbound acknowledgement | Alternates from Solid to Fast flash every second |
Registered and received inbound acknowledgement | Solid (not flashing) |
GPS LED (Green):
Condition | LED |
GPS off | Off |
GPS on/No GPS fix | Slow flashing |
GPS time sync | Fast flashing |
GPS fix | Solid (not flashing) |
💡 Tip:
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