ME401-2
M-Tec ME401-2, Technical Manual v.1.3a, September 2012
Page 16
Troubleshooting
Various error situations are listed below along with some possible solutions
.
Error
code
Error description
Possible solutions
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 ME401-2 unit has been delivered with the SIM card
mounted. Contact M-Tec 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 ME401-2 unit has been delivered with the SIM card
mounted. Contact M-Tec 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.
