User manual

20
TROUBLESHOOTING
Causes and solutions
ERROR REMEDY/CAUSE
Unit will not respond to a text message and will not
execute commands despite all indication lights lighting as
they should. (2 green lights)
Check that the SIM card is active and works using a standard mobile phone.
Text command executed by ControlBox24/7 but I receive
no text message confi rmation
Check that the SIM card can send a text message from a standard mobile phone.
Check that the GSM signal strength is suf cient (Above 4)
• Check that STEL command is set correctly.
Check country code setting. (NACO)
GSM indicator light on constantly. The indicator will normally be on for up to 30 seconds during start-up of
ControlBox24/7.
No/poor GSM signal.
GSM indicator fl ashing slowly. Error on SIM card or GSM unit. Test SIM card in standard mobile phone.
Battery indicator light gone out The backup battery is either switched off or disconnected, check that the battery
switch is in the ON position.
Battery indicator light fl ashing slowly The unit has lost external power and the rechargeable backup battery is running
out. Check that the external power supply is working and is connected.
Power indicator light is off The unit has lost external power. Check that the adapter is working and is
connected.