12
red and blue LED will intermittently and slowly flick.
4
)
Inquiry parameters of device via commands and
check replied parameters.
7.2 Offline status
First check if LED indicators are OK, if cannot
check them, you can check SIM card following next
steps:
1
)
call SIM card of device and check if you can hear
connecting ring.
2
)
Check if vehicle is in the area where there is no
GSM or LTE CAT M1/NB2 signal.
3
)
Check if one device or all devices are offline in
the area . If all devices are offline, you should ask
operator If network is OK.
4
)
Check if SIM card has enough balance.
5
)
If device becomes offline on the last day of one
month, please check data transferring is closed or
not.
6
)
Inquiry parameters of device via commands and
check replied parameters.
7.3 No positioned
If the GPS is active, but device cannot be
positioned for long time, please check device: