TROUBLESHOOTING
Page 31
TROUBLESHOOTING
DETECTED PROBLEM
ROOT CAUSE
SOLUTION
All LEDs are unlit
HelpyGSM not supplied
Check power supply
The GSM status LED
blinks quickly
SIM card not present or
not correctly inserted
Correctly insert the SIM card in
the dedicated location
SIM card locked by PIN
code
Enter the PIN using the code 282
SIM card expired or
damaged
Check the SIM card operation on
your mobile phone
SIM card not supported
(e.g. UMTS)
Use a GSM SIM card
Make a test with a SIM card from
a different GSM provider
Unconnected antenna or
damaged connection
cable
Check the antenna connection
and the correct operation of the
cable
GSM signal absence
Check the signal strength by your
mobile phone
Insufficient power supply
Check the power supply
Generic SW problem
Switch off and back on HelpyGSM
The GSM status LED
blinks slowly, but the
GSM signal LED is
unlit
GSM signal level is too
low to allow outgoing
calls
Move the antenna into a better
position
EU
D
ECLARATION OF
C
ONFORMITY
Hereby, Esse-ti S.r.l. declares that the radio equipment type HelpyGSM is in
compliance with Directives 2014/33/EU and 2014/53/EU.
The full text of the EU declaration of conformity is available from the
following Internet address:
https://www.esse-ti.it/en/dichiarazioni-di-conformita