TU501-x
Short Guide TU501-x v4.2, May 2019, ©Trackunit 2019
6
Functionality check: LED on the unit
Status
LED mode
LED color
Status indication
Red flashing light and constant
green light in LED
- Mobile network is OK and GPS
has valid satellite position
!
No light in LED
-
No power supply
!
Constant red light and no green
light in LED
-
Power supply is OK, but NO mobile network
- GPS has NO satellite position
!
Red flashing light and no green
light in LED
- Mobile network is OK
- GPS has NO satellite position
!
Constant red and green light in
LED
-
Power supply is OK, but NO mobile network
- GPS has valid satellite position
LED
LE
