User Manual
15
HD 100 User Manual
Installing Your HD 100 > Troubleshooting Tips
Nothing appears on TND
™
720 screen:
Make sure your TND
™
720 is charged and powered on.
Check communications
Move the truck to ensure that the issue is not signal interference.
Check power connection
on, which indicates the device is powered on.
Restart the device
™
™
JBus not responding:
Make sure truck ignition is on
Restart the engine
Restart the device