Fuse replacement, 124 | Hach DR 5000 guide

Maintenance

Figure 8 Lamp compartment

1	Tungsten lamp	5	Plug contacts for fan
2	Spring	6	Plug contact for deuterium lamp

3	Screws	7	Plug contact for tungsten lamp (with grip and cable)

4Deuterium lamp (lamp socket)

7.3 Fuse replacement

DANGER

Certain electrical circuits within this equipment are protected by fuses against over-current conditions. For continued protection against a risk of fire, replace fuses only with the same type and rating specified.

DANGER

Failed fuses are generally an indication of a problem with the equipment. If fuse failure continues, contact a service representative for instructions on how to return the equipment for repair. Do not attempt to repair the equipment yourself.

1.Switch the instrument off.

2.Unplug the power cord to remove all power from the instrument.

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Hach DR 5000 user manual Fuse replacement, 124

Contents

January 2008, Edition Page Table of Contents Table of Contents 101 Table of Contents Section Specifications Specifications Safety information Precautionary labelsGeneral Information Use of hazard information Source Lamp Safety Chemical and Biological SafetyGeneral Information Class 1 Laser Overview of product General Information General Information Unpack the instrument Section InstallationOperating environment Installation Connection Cell compartment 1 100 mm adapter optional Multi Cell Holder Top and Bottom Installation Installation Multi Cell Holder Installation Multi Cell Holder Beam path Beam path Power the instrument on and off Changing the language settingStart Up Language selection Start Up Standard Operations OverviewTips for the use of the touch screen Use of the alphanumeric keypad Standard Operations Main Menu Main Menu options Standard Operations Instrument Setup modeOperator ID Standard Operations Sample ID Date and time Display and sound preferences Lamp Control VIS-Lamp and UV-Lamp Effect caused by the lamp settings on the Measuring Mode Standard Operations Printer setup USB connectorStandard Operations PC and printer Keyboard Printer Setup Print data Hach Data Trans Password Password deactivation Standard Operations Store, recall, send and delete data Data LogAuto/manual data storage Recall stored data from the data log Send data from the data log To send measurement data to a PC Delete stored data from the data log Recall stored data from wavelength scan or time course Data storage from wavelength scan or time courseSelect Wavelength Scan or Time Course to recall data Send data from wavelength scan or time course Option Press Wavelength Scan or Time Course and then Delete stored data from wavelength scan or time course Stored Programs Select a saved test/method enter user-specific basic dataStored program options Stored programs options Timer icon Reading ModeStandard Adjust Options Description Store Off/On Standard Operations Use of program timers Set the reading mode Set the dilution factor Take single wavelength measurements single readingTake single wavelength measurements continuous readings Press OptionsMore…Dilution Factor Run a standard adjust Change of the default setting of the chemical form Press Save as DefaultSet the chemical form Press OptionsMoreChemical Form Measurement/analysis of a reagent blank Standard Operations Run a reagent blankPress OptionsMoreReagent Blank Standard Operations Analysis of samples Add stored programs to the favorite programs list Barcode Programs Cell compartment #1 Changing the standard setting Standard Operations Complete a barcode 13 mm test/vialSelect the measuring range Select the chemical evaluation form Basic test-specific and sample-specific data settings Barcode program options Options Description Send Data icon Sample blankEdit Update/edit barcode tests Manual update of a barcode testProgram update options Enter the Name Enter the Version Enter the Measurement Process Timer 1, Timer 2, Timer 3 and Timer Update an existing barcode test Option 1 Manual update of test dataOption 2 Manual check/revision of test data Press OptionsMoreEdit Upgrade of the instrument software Program a new test Press OK to return to the System Checks menu Standard Operations User Programs Advanced OperationsProgram a user method Advanced Operations Program NumberProgram Name Program Type Single wavelength settings Concentration resolution number of decimal placesUnits Wavelength single wavelength program type Chemical form Multi wavelength settingsAbsorbance formula multi-wavelength program type Wavelength λx List of available absorbance formulasConcentration Factor Kx Calibration settings Calibration settings for single and multi wavelength modeCalibration by entering calibration values Advanced Operations Advanced Operations Advanced Operations Additional user-defined parameters and functions Store a user programUpper and lower limits of the measuring range Timer 1 / Timer 2 / Timer 3 / Timer Chemical form 2 / chemical form 3 / chemical form Measurement process Advanced Operations Free programming program typeDefinitions of the program points Content and definition of the keys Key / Zeroing Enter a new element of a measuring sequence Process Timer key Key / Reading Enter the calibration formula evaluation formula Delete an element of a measuring sequenceInsert an element of a measuring sequence Enter calibration formula C1 Screen Key Description Edit formula key descriptionsNew Number Enter the next calibration formula C2 or Cn C2 On Save a free programming user program Enter variablesSelect Conc. key Advanced Operations Select a user program 4 Add, edit and delete user programs from the favorites list Edit Add to FavoritesDelete Recall a favorite program Favorite ProgramsDelete a favorite program Standard Addition monitoring/checking results Measures to identify other interference factors ChecklistMethod Peak volume Standard addition Sample volumeCheck the standard solution Complete a standard addition Peak volume/sample volume methods Press OptionsMoreStandard Addition Description of the table of readings Advanced Operations Single wavelength setup options Set up single wavelength modeProgram Concentration factor Concentration resolutionOptions Description Take single wavelength measurements single reading Reading modeTake single wavelength measurements continuous readings Set the reading mode at different wavelengths Multi-wavelength setup options Absorbance formula Press Absorbance Formula Concentration factor For data storage, see .3.1.1 on Set up the wavelength scan Wavelength scan setup options Option Description Setting wavelengthScale & Units Select view displaying table Cursor modeIntegral Wavelength scan reading Scale & units Press Scale & Units Navigating the wavelength scan Advanced Operations Work with reference scans Highlight Reference 100 Time course setup parameters Time course setup optionsTime course of absorbance/transmittance 101 Time course scan reading Time & intervalScale & units 102 Analysis of time course data 103 Navigating the time scan Navigation of a time scan or a time scan analysis104 Instrument information System checks105 Optical checks Advanced Operations Upgrade of the instrument software106 Wavelength check 107 Noise check 108 109 Stray light check 110 Absorbance check 111 Drift check 112 Verification kit Press Nominal Values 113 Press Verification 114 Lamp history Output checks115 Service time Advanced Operations Factory service116 Instrument Backup 117 Restore backup data 118 119 120 Maintenance Cleaning requirementsSpectrophotometer Display Lamp replacement MaintenanceTungsten lamp replacement 122 Deuterium lamp UV replacement 123 Fuse replacement 124 Filter pad replacement Filter pad maintenance125 Base of DR 5000 with filter grid 126 Section Troubleshooting 127 Troubleshooting 128 129 Section Replacement PartsDescription Cat.-No Replacement Parts 130 Contact Information 131 Contact Information 132 Limited Warranty LimitationsLimitation of Remedies 133 Limited Warranty 134 Index 135 136