Manuals / Bacharach / Household Appliance / Carbon Monoxide Alarm

Bacharach 24-9351 Troubleshooting Guide, 1.TROUBLESHOOTING GUIDE, Fault, Probable Cause & Remedy

Models: 24-9351

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PCA	Troubleshooting

7.3 Troubleshooting Guide

The following table lists the causes and remedies for most of the problems that may arise with the analyzer. For help with any problem not dis- cussed here, contact your nearest Bacharach Service Center.

TABLE 7-1. TROUBLESHOOTING GUIDE

Fault			Probable Cause & Remedy

Analyzer completely nonfunctional;			a. Batteries dead. Replace batteries
won’t turn on when the		key is	per Section 3.2.
won’t turn on when the		key is	per Section 3.2.
pressed.			b. Loose battery connector. Disas-
			b. Loose battery connector. Disas-
			semble analyzer and ensure that
			the battery connector is attached
			to the printed circuit board.
			c. Microprocessor needs to be reset.
			Press RESET button (Fig. 4-7).
			d. Optional Power Supply defective.
			Replace Power Supply.
			e. Analyzer defective. Return to
			Bacharach for repair.

Display Screen is blank when ana-			a. Microprocessor needs to be reset.
lyzer is turned on, but pump runs			Press RESET button (Fig. 4-7).
during warmup cycle.			b. Analyzer defective. Return to
			b. Analyzer defective. Return to
			Bacharach for repair.

LOW BATTERY message appears			Batteries close to being discharged.
at bottom of display.			Analyzer will run for several min-
			utes before the instrument shuts off.
			Replace batteries per Section 3.2.1.

O2-SENSOR ERROR code ap-			a. Calibration was attempted while
pears in the Sensor Status Screen.			sampling combustion gases.
			b. O2 sensor is either expired, not
			wired correctly, or not connected to
			the circuit board. Replace or check
			wiring of sensor per Section 6.6.

Instruction 24-9351

7-3

Image 75

Bacharach 24-9351 Troubleshooting Guide, 1.TROUBLESHOOTING GUIDE, Fault, Probable Cause & Remedy, O2-SENSORERROR code ap

Contents

Rev. 11 – May Operation & MaintenancePortable Combustion Analyzer PCA INSTRUCTIONNotice Register Your Warranty by VisitingWARRANTY InstructionContents CALIBRATION 1.0INTRODUCTION 1.1The Portable Combustion AnalyzerFigure 1-1.PCA 1.2 Displayed Data PCA 20 & 50 with Carbon Monoxide Measurement 1.3 Sensor ConfigurationsPCA 10 & PCA 15 & 45 with DraftAdvanced PCA Model Features PCA 35 & 65 with Draft, CO & NXPrintout Capability Standard Fuels** Available for 2.0 TECHNICAL CHARACTERISTICSThe PCA Directly Measures and Displays The PCA Computes and DisplaysNormal Operating Conditions PerformanceFront Panel Controls Display Power RequirementsDimensions WeightEquations Agency Approvals3.1Scope 3.0SETTING UP THE PCA3.2 Power Figure 3-1.Battery Replacement3.2.2 Using the Optional Power Supply 3.3 Connecting the ProbeFigure 3-2.Connecting the Probe to the Analyzer SetupInstruction To Change 3.4 Configuring the PCAFunction Parameters4.1Key Pad Functions 4.0OPERATIONFigure 4-1.Sampling Hole Location 4.2 Sampling Hole Location4.3 Combustion Test 4.3.1Analyzer Turn On and Warm Up10minutes Figure 4-2.Installing the Probe 4.3.2 Installing Probe in the Stack4.3.4 Ending a Combustion Test 4.3.3 Performing a Combustion TestTurn off the analyzer by pressing the key PURGING CO SENSORHOT SPOT 4.4 Differential Pressure MeasurementDRAFT – 2.25 MB4.5 Warmup Screen BACHARACH, INC PCA WARMUP yyFront Panel Key Functions 4.6 Sensor Status Screen BACHARACH, INC. PCA WARMUP 0 zFront Panel Key Functions Xs XXXX appear in the display Combustion Test ScreenPCA models 10–25, 40–55 PCA models 30, 35, 60, &KOKS 4.8 Fuel Selection Screen«NATGAS FUELFront Panel Key Functions 4.9 Draft ScreensM9 MEMORY EMPTY CLEAR MEMORY 4.10 Memory Directory Screen‘Standard’ PCA Screen MEMORY DIRECTORY «M8 28.7.97 15:45MEMORY TO PC «TRANSMIT DATA CLEAR MEMORY Figure 4-4.Connecting the Serial Data Cable4.11 Memory to PC Screen For ‘Advanced’ PCA Models 40, 45, 50, 55, 60 &Front Panel Key Functions CLEAR MEMORYLabel in Column TABLE 4-1. COMMA-DELIMITEDFIELDSField Data Name or Value“spaceABCDEFGHIJKLMNOPQRSTUVWXYZüäöß0123456789” 4.12 ID Setup ScreensSETUP «ID #1 ID #2 ID #3 SETUP ID #1 «– Increment character – Decrement character 4.13 Temperature Setup Screen SETUP TEMPERATURE UNIT «C FFront Panel Key Functions 4.14 Draft Unit Setup Screen SETUP DRAFT UNIT «MB PA WCFront Panel Key Functions Front Panel Key Functions 4.15 Language Setup ScreenSETUP LANGUAGE DAN NED DEU SVE «ENG FIN SETUP LANGUAGE DEU FRA «ENG ITA ESP POLFront Panel Key Functions 4.16 Display Mode Setup ScreenSETUP DISPLAY «CO NX CU NU For PCA Models 30, 35, 60 &4.17 Time/Date Setup Screen SETUP «TIME 15:45:06 DATEFront Panel Key Functions 4.18 Printer Setup Screen SETUP «IR - HP PRINTER IR - IRDA RS232Front Panel Key Functions 4.19 Maintenance Password Screen MAINTENANCE «PASSWORDFront Panel Key Functions 4.20 Maintenance Screen MAINTENANCE «CALIBRATION USER NAMEFront Panel Key Functions “spaceABCDEFGHIJKLMNOPQRSTUVWXYZüäöß0123456789” 4.21 User Name ScreensUSER NAME «LINE 1 LINE 2 LINE USER NAME LINE «4.22 Saving Test Data 20.0DRAFT DRAFT – 0.25 MB HOT SPOT 190 C P «S DRAFT – When using an infrared printer4.23 Printing Test Data 12 HLDWhen using a serial printer RS-232ConnectorSerialDataCable PartNo.24-1073 CLEAR MEMORY C «E 4.25 Resetting the MicroprocessorFigure 4-7.Reset Button 4.24 Clear Memory ScreenNOTES OperationInstruction 5.1 Sensor Check 5.0 CALIBRATIONFigure 5-1.Calibration Fixtures Procedure5.2 Calibration Fixtures Material RequiredFront Panel Key Functions 5.3 Calibrate Menu Screen«TA-ZEROCALIBRATE TA-SPANNX TL-ZEROCO TL-SPANDRAFTMaterial Required 5.4 Calibrate TA-ZeroCALIBRATE TA-ZERO MEASURED 3.0C APPLIED 0000.0C ProcedureMaterial Required 5.5 Calibrate TA-SpanCALIBRATE TA-SPAN MEASURED 295.0C APPLIED 0300.0C ProcedureMaterial Required 5.6 Calibrate TL-ZeroCALIBRATE TL-ZERO MEASURED 3.0C APPLIED 0000.0C ProcedureMaterial Required 5.7 Calibrate TL-SpanCALIBRATE TL-SPAN MEASURED 102.0C APPLIED 0100.0C ProcedureCALIBRATE NX Using 100 ppm Nitric Oxide Calibration Gas5.8 Calibrate NX Typical Calibrate NX Screen During Calibration0500 5.9 Calibrate COFor PCA Models 20, 25, 30, 35, 50, 55, 60 & CALIBRATE CO1050 TEST GAS CO/H2CO-VALUEXXXX ENTER CO-VALUE CALIBRATE H29.00 5.10 Calibrate DraftFor PCA Models 15, 25, 35, 45, 55 & CALIBRATENOTES CalibrationInstruction 6.1Routine Maintenance 6.0MAINTENANCEFigure 6-1.Disassembling the Analyzer 6.2 DisassemblyFigure 6-2.Rear View of the PCB and Sensors MaintenanceInstruction 6.3 Cleaning the Probe Equipment RequiredProcedure Procedure 6.4 Water Trap/Filter Assembly MaintenanceFigure 6-3.Water Trap/Filter Assembly Drain the water condensate after every use6.5 Replacing the Particulate Filter ProcedureEquipment Required 6.6 Replacing the Oxygen Sensor ProcedureEquipment Required Procedure 6.7 Replacing the Nitric Oxide Sensor6.7.1 Replacing the Nitric Oxide Sensor Filter ProcedureStabilization time ProcedureEquipment Required Bias removed forEquipment Required 6.8 Replacing the Carbon Monoxide SensorProcedure For PCA Models 20, 25, 30, 35, 50, 55, 60 &Instruction 6.8.1 Replacing the Carbon Monoxide Sensor FilterProcedure Maintenance6.9 Replacing the Pump Assembly ProcedureEquipment Required 7.1Analyzer Repair 7.0TROUBLESHOOTING7.2 Error Codes O2-SENSORERROR code ap 7.3 Troubleshooting GuideTABLE 7-1.TROUBLESHOOTING GUIDE FaultCO-SENSORERROR code ap TABLE 7-1.TROUBLESHOOTING GUIDE ContFault NX-SENSORERROR code ap“- - - -”appears in one or more value Backlight won’t turn on 8.1Replacement Parts 8.0PARTS & SERVICEDescription 8.2 AccessoriesSTANDARD ACCESSORIES OPTIONAL ACCESSORIESInstruction Figure 8-1.Replacement Parts2 1 Parts & Service14 15 10 12 13 22 Figure 8-2.Replacement PartsParts & Service 23 24 21Instruction Figure 8-3.Replacement PartsParts & Service 20 18UnitedStates California 8.3 Sales/Service CentersSales/ServiceCenter - Denmark Parts & ServiceAPPENDIX A Display Screen Translations Appendix AInstruction French EnglishGerman DanishFinnish PolishDutch SwedishFrench EnglishGerman DanishSwedish ItalianPolish DutchFrench EnglishGerman DanishSwedish PolishItalian DutchFrench EnglishGerman DanishSwedish PolishItalian DutchInstruction NOTESAppendix A A-10Danish APPENDIX B – Printout TranslationsEnglish GermanDraft Only FrenchSpanish PolishCombustion Test Data ItalianDutch SwedishAppendix B Finnish FINCombustion Test Data Draft OnlyInstruction World Headquarters 621 Hunt Valley Circle, New Kensington, PAPrinted in U.S.A