Optical Backscatter Reflectometer 4600 9
User Guide
10. Troubleshooting 203
System Status Bar Messages 203
General Troubleshooting 204
The OBR or PC will not power on 204
Laser Ready light does not come on within several minutes 205
Control software will not load 205
All software controls are disabled or unavailable 205
Control software seems to lock up 206
Cannot align the OBR 206
Alignment unsuccessful 206
OBR will not scan 207
Excessive noise in data 207
No data after scan 208
Unexpected or abnormal data 208
Instrument drifts out of calibration 208
Error Message Troubleshooting
208
Errors on Software Startup
209
Instrument not referenced 209
Configuration information could not be loaded from the instrument; the software
goes into “Desktop Analysis” mode 209
Errors During Calibration
210
Wavelength calibration failed while acquiring data 210
The optics were detected to not be aligned properly 210
Calibration data contains invalid values 210
Errors During Scanning or Referencing 211
The specified timeout occurred before all of the requested data could be ac-
quired 211
Self-Diagnostic Software 211
Running the Self-Diagnostic Software 211
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