9
Operating manual of data acquisition system PWBlogg
The following applies to iModem4/iModem5:
If
the LED illuminates permanently, problems on reception are indicated.
After initializing the modem, shortly flashing LED and switching off again indicates that faulty GPRS parame
-
ters may inhibit successful initialization.
If, after modem activating, the LED illuminates 2s and turns off again, then a wrong PIN or a disabled SIM
card can stop initialization!
Assistance on knowing problems:
1. The modem does not activate itself:
•
examine flashing beh
aviour of the modem LED of the modem
•
check power supply (power supply unit/battery)
•
check PIN of the SIM card
•
check reception
•
check time slot
•
make sure that the data logger is connected (modem adopts time from logger)
2. SMS‘s are not sent:
•
check, whether the respective event is activated and a receiver is specified (activating SMS or alert SMS),
• the modem will be activated,
• a PC is connected, which inhibits communication to the modem,
•
when using N7 data loggers: check, whether the event “send SMS” is specified as alarm event,
•
whether power supply is ok,
•
whether the SIM card is unlocked (PIN OK or deactivated)
3. The modem can not be called:
•
check, whether a time slot is specified and the modem is activated,
•
the right call nummer is used (data call number)
• the SIM card is eligible for data calls,
•
a PC is connected to the modem which blocks calls,
• the modem of the receiver is eligible for calls and its settings have been properly made
4. The modem does not write into the web database:
•
check, whether the modem is specified as GPRS modem,
•
the dedicated firmware is used,
• GPRS parameters are correct,
•
FTP transfer is activated (time slot 15min or 1h)
5. The modem does not send data mail:
•
check, whether correct SMTP parameters are specified,
• GPRS parameters are correct,
•
the modem is specified as GPRS modem,
•
a mail address is entered as receiver (eg event time slot)
The iModem4/iModem5/iModem6 provide the status LED (green) and modem LED (red) on the
housing co-
ver to make them visible without opening the device.