Fluke 90100 manual No Display Flowchart

Page 39

Maintenance & Service

Troubleshooting 4

35360A TRACKER Display will not turn on (display will not light)

	NOTE		35360A TRACKER Display's
			VFD does not illuminate when
			VFD does not illuminate when
When attempting to turn the instrument on,			POWER key is pressed.
firmly press the POWER key and hold
for approximately one second. Always
allow several seconds between retries.

WARNING

The Model 35360A TRACKER Display and 35300A Detector contain no internal operator serviceable

Disassembly of either unit could result in electrical h k

Always turn the 35360A TRACKER Display's power off

prior to connecting or disconnecting the interface bl

Failure to do so may result in an electrical h k

When powering the 35360A TRACKER Display from

an AC line, always use a 3-wire grounding type line cord h

as the one supplied with the 90100 TRACKER System. In addition, only connect the 35360A TRACKER Display to

AC power outlet employing a third wire safety d

Yes

No	Operating from AC power source?	Yes
	Operating from AC power source?

Connect 35360A TRACKER Display to an AC power source and press the POWER key.

35360A TRACKER Display	No
35360A TRACKER Display
VFD illuminates?

Commence operation from AC line power or charge batteries.

Verify voltage present at AC line

receptical by connecting and powering some other device.

Yes	AC line voltage present?	No
	AC line voltage present?

Check AC line fuses at rear panel of 35360A TRACKER Display.

No

Replace 35360A TRACKER

Display's AC line fuses. Refer to Section 5.3.

Fuses OK?	Yes

Return 35360A TRACKER Display to Keithley for repair.

Figure 4-1. No Display Flowchart

4-3

Image 39

Contents Tracker System ModelFluke Biomedical Table of Contents Customization Maintenance and ServiceAppendix a Using Build-Up Theory of OperationIntroduction General InformationModel FeaturesManual Addenda Before You Start Safety PrecautionsSafety Terms SpecificationsIon Chamber Factory Calibration Nominal Ion Chamber CharacteristicsMechanical Specifications Recommended Operation ConditionsElectrometer / A-D Converter Measurements ModeDisplay Mode Model 35360A Tracker DisplayEnvironment High Performance Battery ChargerUnpacking and Inspection Interface Cable Detector to DisplayOptional Equipment Standard System ContentsBlank Rear Panel Familiarization OperationDetector Input Powering the SystemDisplay. Be sure to use the correct end of the cable 3 RS-232 Computer Interface RJ-45 Style Positioning the Model 35300A Detector in the BeamOperation Positioning the Model 353300A Detector in the Beam Front Panel Controls Operation InstructionsUnits Select PowerReset Test/DetectorPowering Up the Model 35360A Tracker Display Powering Down the Model 35360A Tracker DisplayUsing the TEST/DETECTOR Button Test/Detector Screen 2 Ion Chamber Calibration Factors Using the Units Select ButtonUsing the Gain Select Button Normal Mode Using the AIR Density ButtonAbsolute Measurements Using the Measure Select Button Normal ModePercent-of-Center Measurements Underranging and Overranging Conditions Battery and Bias Annunciators24. Positions of the Battery and Bias Annunciators Gain Setting ModeAborting the Fpgf Changes Saving the Fpgf ChangesBlank Theory of Operation Hardware Block Diagram of the Model 35360A Tracker Display Power SupplyVFD Display Front Panel Switches2 300-VOLT Electronic Bias Supply ProcessorSerial Communications Port ElectrometerMultiplexer and A/D Converter Air Density Corrections Model 35300A Ion Chamber DetectorsBasic Operating Equations Basic Operating Quantities Blank Maintenance & Service Problem TroubleshootingNo Display Flowchart Low battery Yes Annuciator displayed? Low Battery Indication at the Display35360A Tracker Bias Error LoBias or HiBias Indication at the DisplayLeakage Flowchart Dose Rate Measurement Zero Problem Flowchart Line Fuse ReplacementIf fuses continue to blow return instrument for repair Interface Connector Cleaning Cleaning the InstrumentReplaceable Parts Information Recalibration & Repair Information / Technical Assistance Replaceable Parts ListCustomization Screen Formats Make a Working DiskConnection to the Computer Starting the Customization SoftwareDisplay Customization Items Screen Appearance F10 Exit F1 Help On-Line Help for using the Customization softwareF2 Edit Item Editing F6 Print Report PrintingDefinitions Ion Chamber Calibration Factor Iccf Setting the Electrometer Gains and OffsetsCharge Gain QG Current Gain, Current Zero IG and ADZElectrometer Charge Gains QG Electrometer Current Gain IGUsage Examples Changing the Power Down IntervalChanging the ION Chamber Calibration Factor Units Input Errors ErrorsBuild-Up, Peg, and Retainer Kit Options Using Build-UpNominal Number of build-up Solid Water Appendix Fluke Biomedical