Troubleshooting Table - In-situ TROLL 101 Operator's Manual

Troubleshooting Table

Problem
Unable to connect to a TROLL
Link 100 to the TROLL Link
Setup Software.
An instrument is not displayed in
the TROLL Link Setup Software.
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.
800-446-7488
Possible Solution
• 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.
Ensure all communication settings on the instrument
are correct. See page 8.
• 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).
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