SMS-530 Quick Start v1.0 2013/048/8 TroubleshootingItem Trouble state Solution1 EXT LED is off without Li-battery Please check the external power and wire connection.2 STA is always on1. Check SIM card2. Check Antenna3. Check the 3G signal strength3 GT-530 Series Utility can notconnect to SMS-5301. Check STA LED blinking every 1 sec2. Check com port connection and baud rate setting4 After event triggering, users can notreceive SMS.1. Check DI connection2. Check phone number and format3. Check DI event is enabled in GT-530 Series Utility5 Counter value is abnormal1. Check wire connection2. Check the counter signal is at 5~40Hz.3. Check the DI mode setting. Must be counter mode.6 The content of received SMS isabnormal.Please select the correct language to set the content ofSMS in utility. If you want to transfer Unicode char,select the language supporting UCS2.7 The time of receiving SMS isabnormal1. The time in SMS-530 is abnormal. Setup the time ofSMS-530 by utility.2. The battery of RTC is low. Change the silver batteryof RTC. After changing the battery, set the time ofSMS-530.8 STA led is blanking per 50 ms The pin code is wrong. The login windows would showthe field to input PIN or PUK code.9 Forget Password Use SMS command to get the password. Technical SupportIf you have problems about using the SMS-530, please contact ICP DASProduct Support.Email: Service@icpdas.com