40
Troubleshooting
Problem Possible
reason
Solution
GSM LED stays
dark
No supply
voltage-
Connect power
supply
GSM LED blinks
twice cyclically
No SIM card /
Improper contact
with SIM card
Insert SIM card
properly or
carefully clean
contact area of
SIM card
GSM LED blinks
thrice cyclically
PIN is not “0000”
Change SIM
card’s PIN to
„0000“
GSM LED
constantly on
No GSM
network
available / no
antenna
connected
Connect antenna
/
Change antenna
position
GSM LED dies
after 3 minutes
No configuration
Make
configuration call
STD32 does not
react on
configuration call
(not accepting the
call)
Device is
already
configured
Set back to
factory settings
STD32 does not
react on
configuration SMS
Wrong IMEI
number in the
SMS / SMS not
yet delivered
Check IMEI
number. / Wait
until SMS is
delivered
Summary of Contents for 190990
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