In-Situ TROLL Link Telemetry System Operators Manual - Manual (Page 36)

800-446-7488 36 www.in-situ.com
Troubleshooting Table
Problem Possible Solution
Unable to connect to a TROLL
Link 100 to the TROLL Link
Setup Software.
• Ensure the correct COM port is selected.
• Ensure power is connected to the telemetry unit, and
then close and reopen the software.
• Ensure the serial cable between the PC and the
telemetry unit is properly connected.
• Ensure the serial cable is functional.
An instrument is not displayed in
the TROLL Link Setup Software. Ensure all communication settings on the instrument
are correct. See page 8.
The modem REG light does not
illuminate while in dial-up or IP
modes.
The modem REG light does not
illuminate while in SMS mode.
• The REG light illuminates only during a
message/wake interval (dial-up or IP mode) and only
illuminates during message transmission (SMS mode).
• Ensure the correct SIM card is installed. See page 7.
• Ensure the modem is programmed in the correct
mode. See page 14.
• Ensure the schedule has been programmed correctly.
See page 16.
• Ensure power is connected to the telemetry unit.
• Cycle the telemetry unit power (turn off and then back
on).