17
5.3
The device doesn’t log into the GPRS network
Possible issue source
Trouble shooting
The GPRS service is not yet
activated
Please ask your provider, whether the GPRS function is already
activated for the SIM card in use.
Table 6: Troubleshooting: Device doesn’t log into the GPRS network
5.4
The device doesn’t send messages
Possible issue source
Trouble shooting
Battery of the device was
completely drained (e.g. after
several months of storage)
Please recharge the device (Picotrack Endurance Rechargeable
only) and wait for 3D GPS fix to synchronise the internal real
time clock.
Table 7: Troubleshooting: Device doesn’t send messages
5.5
The device doesn’t receive GPS data
Possible issue source
Trouble shooting
The position of the device is
not favourable for the GPS
reception
Please check, whether the device has the indicators facing up
and a clear view of the sky.
The GPS receiver has no free
sight to the sky
Please be aware, that a GPS receiver needs always a clear view
of the sky. Please ensure that the device side with the LEDs has
free view to the sky.
Your asset is placed in an
unsuitable location
Please consider that a GPS reception operates most efficiently
when there is a free view of the sky.
If GPS reception is not available (e.g. due to location of the asset
inside a warehouse), considering using the Device-based
Wireless Positioning feature as an alternative positioning
method (see Section 7.4).
Table 8: Troubleshooting: Device doesn’t receive GPS data
Further hints regarding sources of error are indicated through the 8 LEDs of the 3 indicators, which
are easily visible from outside. You will find details for the meaning of the different colours and
blinking signs in chapter 3.7 (“Status indicators”).