Teledyne 3000ZA-3X operating instructions Cleaning, Troubleshooting

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Maintenance	3000ZA-3X

∙Sample system

∙Power Supply

∙Microprocessor

∙Displays

∙5 digit LED meter

∙2 line, 20 character, alphanumeric, VFD display

∙RS-232 Communications Port

See the drawings in the Drawings section in back of this manual for details.

5.6 Cleaning

If instrument is unmounted at time of cleaning, disconnect the instrument from the power source. Close and latch the front-panel access door. Clean outside surfaces with a soft cloth dampened slightly with plain clean water. Do not use any harsh solvents such as paint thinner or benzene.

For panel-mounted instruments, clean the front panel as prescribed in the above paragraph. DO NOT wipe front panel while the instrument is controlling your process.

5.7 Troubleshooting

Table 5-2: Troubleshooting

	Problem	Possible Cause	Solution
	Erratic readings of the	Analyzer may have	Recalibrate analyzer,
	oxygen concentration	been calibrated in an	making sure the
	as reported by the	inaccurate fashion.	proper gas is fed, the
	analyzer		proper sensor is
			selected, and the
			proper value of span
			gas is input.


	Teledyne Analytical Instruments			50

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Contents Model 3000ZA-3X 3000ZA-3X Specific Model Information Important Notice Safety Messages 3000ZA-3X Vii Table of Contents Testing the System Maintenance AppendixModel 3000ZA Front Panel Model 3000ZA Rear PanelList of Tables XiiOverview Main Features of the AnalyzerIntroduction Typical ApplicationsModel Designations Introduction 3000ZA-3XFront Panel Operator Interface Model 3000ZA Front PanelDigital Meter Display Function KeysData Entry Keys Alphanumeric Interface ScreenStandby Button Access DoorRear Panel Equipment Interface ∙ 50-Pin Equipment Interface Port OptionalZrO2 Sensor Operational TheoryIntroduction Principles of OperationSample System Operational Theory 3000ZA-3XElectronics and Signal Processing Zirconium Oxide Sensor Application NotesOperational Theory 3000ZA-3X Component Location Electronic Block Diagram Mounting the Analyzer InstallationUnpacking the Analyzer Installation 3000ZA-3X Rear Panel Connections Gas ConnectionsInstallation3000ZA-3X Zero in and Span in Optional Electrical ConnectionsEquipment Interface Connector Pin Arrangement Threshold Alarm Analog Output ConnectionsSystem Alarm Alarm Relay Contact PinsRemote Calibration Connections Range ID Relay Connections Remote Probe Connections FET Series Resistance 2.3 RS-232 PortCommands via RS-232 Input Installing the Zirconium Oxide Sensors Testing the SystemOperation Keys Description Using the Data Entry and Function ButtonsStyle Conventions Enter EscapeSystem Menu Menu/Screen StructureAnalyze Screen Hierarchy of Available Functions Change Password Password routineEnter Password T a Enter New Password T aLogout Routine Model RoutineFilter Routine Analog-Out Adjust RoutineSelf-Test Routine 20mA Gain 20mA Limit False Track in Cal Yes Change Stream Auto-Calibration TimerSpan Menu Span Value Span TimerSpan Sensor Span Begin Span FinishSpan Auto Finish Span Begin Begin Span?Zero Value Zero MenuZero Finish Zero Begin Zero TimerZero Timer 7 min Zero Begin Begin Zero?Alarm Polarity Alarms MenuAlarm Active AL-1 NON-LATCHING AL-1 20.00 ppm AL-2 ActiveAlarm Setpoint Alarm FailsafeAlarm Latching AL-1 80.00 ppmRange Select Auto Range MenuRange Select Manual Range Select Range SetpointsSensor Replacement MaintenanceRoutine Maintenance Removing the SensorMaintenance 3000ZA-3X Fuse Replacement Sensor Block with Middle Sensor InstalledSystem Self Diagnostic Test Self-Test Result DisplayMajor Internal Components Rear Panel Removal Remove only those screws marked with anCleaning TroubleshootingTrace Oxygen Analyzer Maintenance Maintenance 3000ZA-3X Teledyne Analytical Instruments Specifications AppendixOperating Temperature 5-35 C Recommended 2-Year Spare Parts List Qty Part Number DescriptionDrawing List 19-inch Relay Rack Panel MountApplication Notes Flow Rate RecommendationsRestriction Devices BY-PASS Conversions