Trackunit ME501-X Technical Manual page 14

ME501-X
Troubleshooting
Various error situations are listed below along with some possible solutions.
Error Error description
code
F1 The unit does not answer
the SMS command send
to it.
F2 The LED in the unit is off,
thus no power on the
unit.
F3 The LED is constant red,
thus the unit is not
attached to the GSM
network
F4 The unit send reply
messages but there is no
GPS signal
Trackunit ME501-X, Technical Manual v.1.3, September 2014
Possible solutions
Verify if the SMS messages are send to the correct GSM/UMTS
♦
phone number.
Check LED status; See the "Functionality check" chapter in this
♦
manual.
If the ME501-X unit has been delivered with the SIM card
♦
mounted. Contact Trackunit support.
Or contact the mobile operator to verify if there is any
o
problem with the SIM card.
Verify if the SIM card is correctly mounted in the unit.
♦
Check if the installation is performed correctly according to the
♦
guidelines of this manual.
If the ME501-X unit has been delivered with the SIM card
♦
mounted. Contact Trackunit support.
Or contact the mobile operator to verify if there is any
o
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
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.
Page 14