SM150T User Manual 1.0 Troubleshooting 30TroubleshootingAlways try to identify which part of the measurement system is thesource of the difficulty. For the SM150T this may fall into one of thefollowing areas:The measurement deviceWhat equipment is being used to read the probe output? An HH150 or HH2 Moisture Meter.Note these meters do not make temeprature measurments. A data logger such as the GP1, GP2, DL6 or DL2e.Check VersionsCheck you have the correct versions:HH2 Meter: Firmware version 2.8 or later and PC software HH2Read version2.8 or later.GP1, GP2 & DL6 Loggers: DeltaLINK version 3.6 or later is required.DL2e Logger: Ls2Win 1.0 SR10 or later is required.Consult the user manuals or the on-line help for these devices and theirrelated software.Try alternative types of equipment if you have them available.Check that you are using an appropriate soil calibration and the correctconversion method – see Calibration section.The SM150T itselfTry to isolate the problem into one of the following areas The SM150T or the connecting cableThen try to narrow down the area further Mechanical problems faults, or damage Electrical or electronic problems or faults