ME500-X
Trackunit ME500-X, Technical Manual v.1.1, January
2016 Page 14
Troubleshooting
Various error situations are listed below along with some possible solutions.
code
F1 The unit does not answer
the SMS command send
to it.
♦ Verify if the SMS messages are send to the correct GSM phone
number.
♦ Check LED status; See the “Functionality check” chapter in this
manual.
♦ If the ME500-X unit has been delivered with the SIM card
mounted. Contact Trackunit support.
o Or contact the mobile operator to verify if there is any
problem with the SIM card.
♦ Verify if the SIM card is correctly mounted in the unit.
F2 The LED in the unit is off,
thus no power on the
unit.
♦ Check if the installation is performed correctly according to the
guidelines of this manual.
F3 The LED is constant red,
thus the unit is not
attached to the GSM
network
♦ If the ME500-X unit has been delivered with the SIM card
mounted. Contact Trackunit support.
o Or contact the mobile operator to verify if there is any
problem with the SIM card.
♦ Verify if the SIM card is correctly mounted in the unit.
♦ Verify if the PIN code has been disabled from the SIM card before
it was inserted in the unit
F4 The unit send reply
messages but there is no
GPS signal
♦ Verify if the unit is mounted according to the instructions laid out
in this manual with respect to the aerial view; see “Installing the
unit” chapter.
♦ If the machine/vehicles are located inside a building, please move
the machine/vehicle outside a try again.
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