GT-530 user manual v1.0
7. Troubleshooting
Item
Trouble state
Solution
1
EXT LED is off without Li-battery
Please check the external power and wire
connection.
2
STA is always on
Check SIM card
Check Antenn
Check the GSM signal strength
3
GT-530 Utility can not connect to
GT-530
Check STA LED blinking every 1 sec
Check com port connection and baurd rate
setting
4
After event triggering, users can not
receive SMS.
Check DI connection
Check phone number and format
Check DI event is enabled in GT-530 Utility
5
Counter value is abnormal
Check wire connection
Check the counter signal is at 5~40Hz.
Check the DI mode setting. Must be counter
mode.
6
The content of received SMS is
abnormal.
Please select the correct language to set the
content of SMS in utility. If you want to
transfer Unicode char, select the language
supporting UCS2.
7
The time of receiving SMS is
abnormal.
1. The time in GT-530 is abnormal. Setup the
time of GT-530 by utility.
2. The battery of RTC is low. Change the silver
battery of RTC. After changing the battery,
set the time of GT-530.
8
STA led is blanking per 50 ms
The pin code is wrong. The login windows
would show the field to input PIN or PUK code
9
Forget Password
Use SMS command to get the password.
GT-530 User Manual, Version 1.0, August 2009
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