SMS-531 Quick Start v1.0 2013/01
8/8
Troubleshooting
Item Trouble state
Solution
1
EXT LED is off
Please check the external power and wire connection.
2
STA is always on
1.
Check SIM card.
2.
Check Antenna.
3.
Check the 3G signal strength.
3
The GT-531 Series Utility can not
connect to SMS-531
1.
Check STA LED blinking every 1 sec.
2.
Check COM port wire connection.
4
Can not receive the SMS
Please confirm the transmitter’s phone number is in the
groups.
5
The defined phone received an
abnormal SMS
The SMS-531 support only Unicode SMS. Confirm the
defined SMS content is Unicode.
6
The SMS-531 is not replied by
Modbus command.
1.
Confirm the wire connection.
2.
Confirm the Modbus ID of the SMS-531.
3.
Confirm the COM Port settings.
7
Can not hear the voice alarm from
the SMS-531
Confirm the SD card is normal and the voice file is in it.
8
SMS DBS could not received the
SMS from SMS-531
User must add “ALARM;” to the start of the short message.
Technical Support
If you have problems about using the SMS-531, please contact ICP DAS
Product Support.
Email:
