Confidential, the whole present document is the sole property of Maestro Wireless
Solution Limited.
14
CHAPTER 6: TROUBLESHOOTING
1. The modem’s LED does not light
Check if the modem has been properly connected to a 5 - 32V power supply
Check if the power connector is properly inserted
Check the fuse on the power cord
2. The modem’s LED lights but does not blink long time
after power up
Check if a valid SIM card has been properly inserted
Check if the SIM card has been locked (refer to AT+CPIN command in AT command
guide)
Check if the external has been properly connected to the modem
Check if the network coverage is available
3. The modem does not respond to the terminal program
Check if the RS232 cable has been properly connected
Check if your program has proper settings. Factory setting of the modem is:
•
115200
•
8 data bits
•
No parity bit
•
1 stop bit
www.microlectra.nl
Microlectra bv.
Hermanus Boerhaavestraat 6
3261 ME Oud-Beijerland
Netherlands
Tel 31 (0) 186 - 61 62 90 Fax 31 (0) 186 - 61 03 49
www.microlectra.nl [email protected]
Microlectra bv.
Hermanus Boerhaavestraat 6.
3261 ME Oud-Beijerland. Netherlands.
Tel 31 (0) 186 - 61 62 90 Fax 31 (0) 186 - 61 03 49
www.microlectra.nl [email protected]
Microlectra bv.
Microlectra bv.
Microlectra bv.
Hermanus Boerhaavestraat 6.
3261 ME Oud-Beijerland. Netherlands.
Tel 31 (0) 186 - 61 62 90 Fax 31 (0) 186 - 61 03 49
www.microlectra.nl [email protected]
