Fluke 90100 manual Troubleshooting, Problem

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Model 90100

Operators Manual

4.2 Troubleshooting

This system contains a number of troubleshooting procedures that may be executed by the user in the field. Each procedure is illustrated in the form of a flow chart and is directed toward resolving the specific symptom listed in the first block of the chart.

	Problem	Figure

	The 35360A TRACKER Display's VFD does not illuminate when	See Figure 4-1.
	POWER key is pressed.	See Figure 4-1.
	POWER key is pressed.
	Low Battery annunciator is displayed on the 35360A TRACKER	See Figure 4-2.
	Display's VFD.	See Figure 4-2.
	Display's VFD.
	Bias error annunciator is displayed on the 35360A TRACKER	See Figure 4-3.
	Display's VFD	See Figure 4-3.
	Display's VFD
	One or more dose measurement value(s) exhibits a drift rate of	See Figure 4-4.
	greater than two counts per minute in the absence of radiation.	See Figure 4-4.

	One or more dose rate measurement values does not return to	See Figure 4-5.
	within one count of zero in the absence of radiation.	See Figure 4-5.
	within one count of zero in the absence of radiation.

4-2

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Contents Model Tracker SystemFluke Biomedical Table of Contents Theory of Operation Maintenance and ServiceAppendix a Using Build-Up CustomizationGeneral Information IntroductionFeatures ModelSpecifications Before You Start Safety PrecautionsSafety Terms Manual AddendaRecommended Operation Conditions Nominal Ion Chamber CharacteristicsMechanical Specifications Ion Chamber Factory CalibrationModel 35360A Tracker Display Measurements ModeDisplay Mode Electrometer / A-D ConverterInterface Cable Detector to Display High Performance Battery ChargerUnpacking and Inspection EnvironmentStandard System Contents Optional EquipmentBlank Operation Rear Panel FamiliarizationPowering the System Detector InputDisplay. Be sure to use the correct end of the cable Positioning the Model 35300A Detector in the Beam 3 RS-232 Computer Interface RJ-45 StyleOperation Positioning the Model 353300A Detector in the Beam Operation Instructions Front Panel ControlsTest/Detector PowerReset Units SelectUsing the TEST/DETECTOR Button Powering Up the Model 35360A Tracker DisplayPowering Down the Model 35360A Tracker Display Using the Units Select Button Test/Detector Screen 2 Ion Chamber Calibration FactorsUsing the AIR Density Button Using the Gain Select Button Normal ModeUsing the Measure Select Button Normal Mode Absolute MeasurementsPercent-of-Center Measurements Battery and Bias Annunciators Underranging and Overranging ConditionsGain Setting Mode 24. Positions of the Battery and Bias AnnunciatorsSaving the Fpgf Changes Aborting the Fpgf ChangesBlank Theory of Operation Power Supply Hardware Block Diagram of the Model 35360A Tracker DisplayProcessor Front Panel Switches2 300-VOLT Electronic Bias Supply VFD DisplayMultiplexer and A/D Converter Serial Communications PortElectrometer Model 35300A Ion Chamber Detectors Air Density CorrectionsBasic Operating Equations Basic Operating Quantities Blank Maintenance & Service Troubleshooting ProblemNo Display Flowchart Low Battery Indication at the Display Low battery Yes Annuciator displayed?Bias Error LoBias or HiBias Indication at the Display 35360A TrackerLeakage Flowchart Line Fuse Replacement Dose Rate Measurement Zero Problem FlowchartIf fuses continue to blow return instrument for repair Replaceable Parts Information Interface Connector CleaningCleaning the Instrument Replaceable Parts List Recalibration & Repair Information / Technical AssistanceCustomization Starting the Customization Software Make a Working DiskConnection to the Computer Screen FormatsDisplay Customization Items Screen Appearance F6 Print Report Printing F1 Help On-Line Help for using the Customization softwareF2 Edit Item Editing F10 ExitDefinitions Current Gain, Current Zero IG and ADZ Setting the Electrometer Gains and OffsetsCharge Gain QG Ion Chamber Calibration Factor IccfElectrometer Current Gain IG Electrometer Charge Gains QGChanging the Power Down Interval Usage ExamplesChanging the ION Chamber Calibration Factor Units Errors Input ErrorsUsing Build-Up Build-Up, Peg, and Retainer Kit OptionsNominal Number of build-up Solid Water Appendix Fluke Biomedical