108 1100 Series DAD and MWD User Manual
6 Troubleshooting and Diagnostics
Overview of the Detector’s Indicators and Test Functions
Status Indicators
The detector is provided with two status indicators which indicate the
operational state (prerun, run, and error states) of the detector. The status
indicators provide a quick visual check of the operation of the detector.
Error Messages
In the event of an electronic, mechanical or hydraulic failure, the detector
generates an error message in the user interface. For each message, a short
description of the failure, a list of probable causes of the problem, and a list of
suggested actions to fix the problem are provided (see “Error Information” in
the Service Manual).
Test Func ti ons
A series of test functions are available for troubleshooting and operational
verification after exchanging internal components (see “Test Functions” in the
Service Manual).
Wavelength Verification / Recalibration
Wavelength recalibration is recommended after repair of internal components,
and on a regular basis to ensure correct operation of the
detector. The
detector uses the deuterium alpha and beta emission lines for wavelength
calibration (see “Wavelength Verification and Recalibration” in the Service
Manual).
Diagnostic Signals
The detector has several signals (internal temperatures, voltages and currents
of lamps) that can be used for diagnosing baseline problems (see “Diagnostic
Signals” in the Service Manual).
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