Teledyne 3020T System Self Diagnostic Test, Removing Fuse Cap and Fuse from Holder

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5 Maintenance

Model 3020T

Figure 5-3: Removing Fuse Cap and Fuse from Holder

2. Replace fuse by reversing process in step 1.

5.5System Self Diagnostic Test

Use the DOWN/UP control to scroll through the MAIN MENU to SELF-TEST. The screen will follow the running of the diagnostic.

RUNNING DIAGNOSTIC

Testing Preamp — 83

During preamp testing there is a countdown in the lower right corner of the screen. When the testing is complete, the results are displayed.

Power: OK	Analog: OK
Preamp: 3

The module is functioning properly if it is followed by OK. A number indicates a problem in a specific area of the instrument. Refer to Table 5-1 for number-code information. The results screen alternates for a time with:

Press Any Key

ToContinue...

The following failure codes apply:

5-8	Teledyne Analytical Instruments

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Contents Model 3020T Teledyne Analytical InstrumentsModel 3020T Copyright 1999 Teledyne Analytical InstrumentsTrace Oxygen Analyzer IiiSpecific Model Information 3020T-IInstallation Table of Contents IntroductionOperational Theory Maintenance OperationAppendix Main Features of the Analyzer Trace Oxygen Analyzer IntroductionOverview Typical ApplicationsModel Designations Model 3020TModel 3020T Controls, Indicators, and Connectors Trace Oxygen Analyzer Introduction Operator InterfaceESCAPE/ENTER Switch 1 UP/DOWN SwitchPWD Electrical Connector Panel Recognizing Difference Between LCDEquipment Interface DisplaysRS-232 Port Remote ValvesRemote Sensor Gas Connector PanelNetwork I/O Optional Micro-Fuel Cell Sensor Operational Theory IntroductionPrinciples of Operation Operational Theory Anatomy of a Micro-Fuel CellElectrochemical Reactions + 2H 2O + 4e → 4OHCalibration Characteristics Effect of PressureCharacteristic Input/Output Curve for a Micro-Fuel Cell Sample SystemElectronics and Signal Processing Span Zero SampleBlock Diagram of the Model 3020T Electronics Temperature Control Unpacking the Analyzer Trace Oxygen Analyzer InstallationMounting the Analyzer Front View of the Model 3020T Simplified Electrical Connections Required Front Door ClearanceFuse Installation Primary Input PowerAnalog Outputs Examples Analog Output ConnectionsAlarm Relays Range Voltage Current mADigital Remote Cal Inputs Types of Relay ContactsZero Range ID Relays Network I/O8 RS-232 Port RS-232 Sig RS-232 Pin PurposeParameter Setting Command DescriptionRemote Sensor and Solenoid Valves Installing the Micro-Fuel Cell Remote Solenoid Return Connector PinoutsGas Connections Gas Connector Panel Testing the System Trace Oxygen Analyzer Operation Using the ControlsAuto Ranging on Setup Mode Analysis ModeMode/Function Selection Trace Oxygen Analyzer Enter Data EntryEscape PWD Password Function Trace Oxygen Analyzer Operation AUTO-CALFunctionOnly one password can be defined Entering the PasswordInstalling or Changing the Password Logout Function Version ScreenTrace Oxygen Analyzer Operation SELF-TESTFunction Zero and Span FunctionsAuto Mode Zeroing Zero CalManual Mode Zeroing Cell Failure Auto Mode SpanningSpan Cal Manual Mode Spanning Alarms Function InstallationAL-1 AL-2 Choose Alarm Setting the Analog Output Ranges Range FunctionFixed Range Analysis Contrast Function Standby FunctionAnalysis Mode Operation Routine Maintenance Trace Oxygen Analyzer MaintenanceMajor Internal Components Cell Replacement Major Internal ComponentsStoring and Handling Replacement Cells When to Replace a CellRemoving the Micro-Fuel Cell Exploded View of Cell Block and Micro-Fuel Cell Installing a New Micro-Fuel Cell Cell Warranty Fuse ReplacementL-2C cell is not designed for applications where CO2 is a System Self Diagnostic Test Removing Fuse Cap and Fuse from HolderAnalog PowerPreamp Maintenance Specifications Trace Oxygen Analyzer AppendixOperating Temperature 0-50 C Recommended 2-Year Spare Parts List Qty Part Number DescriptionDrawing List Series Analyzers Restrictor KIT Conversions