Troubleshooting

Common Issues

Issue

Possible Cause

Solution

No network connection

SIM not detected

Reinsert SIM, check data plan

No GPS signal

Antenna not connected

Verify GPS SMA connection

No data in cloud

Network issue

Check 4G signal strength

Data not logging

MicroSD not detected

Reinsert microSD card

Interface communication failure

Wrong interface settings

Verify interface configuration

Power issues

Insufficient current

Use 5V @ 1A minimum supply

Debug Checklist

  1. Verify power supply (5V @ 1A)

  2. Check SIM card insertion and status

  3. Verify antenna connections (4G + GPS)

  4. Confirm interface wiring and settings

  5. Check microSD card insertion

  6. Review cloud platform device registration

  7. Monitor LED indicators for status

LED Indicators

LED

Status

Meaning

Power

Solid

Power OK

4G

Blinking

Network activity

GPS

Solid

GPS lock acquired

Support Resources