Hand Held Products 3700 CCD SERVICE/TECHNICAL Assistance, Maintenance, Troubleshooting Guide

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SERVICE/TECHNICAL ASSISTANCE	5

5.1Maintenance

The Hand Held Products SCANTEAM 3700 Machine Mount CCD Bar Code Scanner and Decoder is designed to provide reliable and efficient operation, requiring no routine maintenance. The 3700 has no moving physical parts. Convection air flow serves to cool the unit. Maintenance, therefore is related to troubleshooting and replacement of the 3700 Machine Mount CCD.

Troubleshooting procedures are described in the following section. Section 5.4 provides procedures for removing and replacing a SCANTEAM 3700 Machine Mount CCD.

5.2Troubleshooting Guide

This section describes procedures for identifying problems that prevent the SCANTEAM

3700 from operating normally. Field repair procedures include the following:

•Power supply troubleshooting

•3700 Machine Mount CCD troubleshooting

5.2.1Troubleshooting Hints

If there is no power to the 3700 Machine Mount CCD, check the following:

•Host power supply output to the 3700. Check that the output voltage from the host is +5 VDC. If the voltage isn’t present or is out of range, there may be a problem with power distribution from the host system. Appendix B provides the specific voltage range.

•If there is no output voltage, check to be sure the host instrument power switch is set to “ON”; if this switch is on and there is no output voltage, there may be a problem with the host power supply.

•Check all cables for secure connections and continuity (with an ohm/volt/meter).

Warning: Only a qualified person should attempt to replace a power supply.

Service/Technical Assistance

5–1

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Contents SCANTEAMR3700 CCD Disclaimer Patents Page Table of Contents Chapter Configuring the Scanteam Ascii Conversion Table Technical SpecificationsSerial Commands Summary CCD Operation and Bar Code ScanningList of Tables Intended Audience PrefaceOverview of the Technical Manual Related Publications Introduction Scanteam 3700 DescriptionScanteam 3700 Hardware Description Interface Port Scanteam 3700 Software DescriptionNonvolatile Memory Basic System Operation System Hardware DescriptionMechanical Layout General CharacteristicsMounting Inserts Single Modular Input /Output/Power PortAudible Indicator Operating TheoryCommunications Port Scanner/Host CommunicationAsynchronous Serial Ascii Interface Auxiliary Trigger Hardwire PinoutsPower Requirements General Preparation for Use SET-UP and InstallationSet-up Checklist Set-up Procedure for EvaluationPreparation To setup serial communications to the scanner Set-up ProcedureInstallation in the Host Instrument Top View Examples of Scanteam 3700 Barcode Orientation Pitch or Roll Scanner Illumination Clearance Preparation Configuring the ScanteamCommand Format Command ConventionsData string Enable Decoding Command DC2 Operational CommandsReset Command a Disable Decoding Command DC4Serial Trigger 3C 31 3E Serial Trigger CommandSave Configuration Command Z Save Configuration 3C 5A 3EConfiguration Commands Command Ka baud, parity, stop bits, data bits Parameter Set Communications Port Command KaOption Code ID Value Definition Command Kd enable, data ParameterScanteam 3700 Code ID Values Command Ke enable, data Parameter Set Postamble Command KeCommand Kf mode Parameter Set Communications Protocol Command KfCommand Kg modeglobal, modeport1, modeport2, # Parameter Set Trigger Mode Command KgSet Read Timeout Command Kh Command Kk enable, data Parameter Set No Read Message Command KkSet Votes Command Km Set Code 39 Command Kp Command Ks enable UPC, enable EAN Parameter Set UPC A/E, EAN 8/13 Command KsSet Beeper Mode Command Ku Set Code 128 Command KtSet Scan Rate Command Kv Configuration Status Query Commands Default Configuration Settings Default Operating ParametersDefault Configuration Symbology Settings Troubleshooting Hints SERVICE/TECHNICAL AssistanceMaintenance Troubleshooting GuideScanteam 3700 Troubleshooting Checklist Diagnostic ProcedureTroubleshooting Checklist Problem Possible Cause SolutionProduct Service Department Obtaining Factory ServiceOut Of Warranty Service Service Under WarrantyHelp Desk Followed during installation Chapter Scanteam 3700 Removal/ReplacementService/Technical Assistance CCD Operation and BAR Code Scanning a Scanning and Decoding a Bar Code SymbolObjectives CCD Sensor LED ReflectorPeak Detectors and Comparator Timing Sequence MicroprocessorBar Code Basics and Scanning Tips Closer Look At Bar Code SymbolsBar Code Scanning Optical Specifications Technical SpecificationsScanner Performance Light Source Illumination MRD minimum reflective difference 37.5%Skew Angle Pitch AngleElectrical Specifications Mechanical Specifications Environmental SpecificationsBar Code Symbol Specifications To Host System Scanteam 3700 Interface CableCommand Format Serial Commands SummaryKd? CommandFormatIndividual Configuration Query Ka?Configuration CommandDefault Settings Default Configuration SettingsSymbology Configuration Default Settings Serial Commands Summary Control Function Definitions Ascii Conversion TableAscii Conversion Table Scanteam 3700 Glossary Glossary-2 Glossary-3 Glossary-4 Glossary-5 Glossary-6 Index Scanteam Index-3 Index-4 Scanteam 3700 Limited Warranty Jordan Road Box Skaneateles Falls, New York 3700/TM Rev E