Hach DR300 Service Manual Download Page 37

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Section 5

Repairs

D A N G E R

Electrocution hazard. Remove power from the instrument before this procedure is started.

W A R N I N G

Chemical exposure hazard. Obey laboratory safety procedures and wear all of the
personal protective equipment appropriate to the chemicals that are handled. Refer to the
current safety data sheets (MSDS/SDS) for safety protocols.

5.1 Open the instrument

Items to collect:

•

Coin

•

TORX 10 torque screw driver

•

Krytox oil (item no. 16004801)

Step Description

Picture

To open the battery compartment, use a coin.

Remove the batteries.

Summary of Contents for DR300

Page 1: ...DOC222 53 90639 DR300 Service Manual 02 2019 Edition 2...

Page 2: ......

Page 3: ...d VAP235 software 16 4 5 1 Install VAP235 software 16 4 5 2 Insert the service cable 19 4 5 3 Do an inspection with the test filter set service cable PC and VAP235 software 21 4 6 Do a service inspect...

Page 4: ...Table of Contents 2...

Page 5: ...mber Rechargeable batteries are not recommended Operating environment 0 to 50 C 32 to 122 F 0 to 90 relative humidity non condensing Storage temperature 20 to 55 C 4 to 131 F 0 to 80 relative humidity...

Page 6: ...Specifications 4...

Page 7: ...ed by this equipment is not impaired Do not use or install this equipment in any manner other than that specified in this manual 2 1 1 Use of hazard information D AN GE R Indicates a potentially or im...

Page 8: ...nce when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction man...

Page 9: ...xit menu mode In menu mode scrolls up or increases the value of the selected digit 4 Backlight key Sets the backlight to on and off In menu mode scrolls down or decreases the value of the selected dig...

Page 10: ...hen the battery power level is low 2 Range icon Points to the selected measurement range 6 Parameter and measurement ranges 3 Measurement ranges or parameters 7 Calibration adjusted icon The factory d...

Page 11: ...3 Push the or to change the number that flashes Push to go to the next digit Push to go to the previous digit 3 3 Do a test D A NGER Chemical or biological hazards If this instrument is used to monit...

Page 12: ...ation so that the results are more repeatable and precise Refer to Figure 5 5 Install the instrument cap over the cell holder Refer to Figure 6 6 Push to set the instrument zero 7 Remove the blank sam...

Page 13: ...ab 5 Scroll down to Methods Procedures 6 Click the link for the applicable test procedure to download it 3 4 Show measurements Note The instrument saves a maximum of 50 measurements After 50 measureme...

Page 14: ...ement number push until a measurement number shows then push or Note Measurements cannot be deleted 5 Push and hold for 3 seconds to go back to measurement mode 3 5 Install the Bluetooth Dongle To ins...

Page 15: ...Startup 13...

Page 16: ...Startup 14...

Page 17: ...ecessary 4 3 Clean the cell compartment CA U TION Chemical exposure hazard Obey laboratory safety procedures and wear all of the personal protective equipment appropriate to the chemicals that are han...

Page 18: ...on page 61 After replacement of the mainboard set the part number and serial number refer to Set the part number on page 43 and Set the serial number on page 44 Set back to delivery state refer to Se...

Page 19: ...BLx xx_CRCxxxx bin and DR300_UIx xx_CRCxxxx bin have been installed in the application directory in the folder Update for example C Program Files x86 VAP235 Update If you get an updated file close the...

Page 20: ...r to Figure 8 Go to windows device manager and look for USB Serial Port COMX Plug in and out the USB to see which com port the USB has 4 Push on the DR300 5 Push Connect 6 Push Start inspection 7 Ente...

Page 21: ...First log into HSO and afterwards click on https support hach com app answers answer_view a_id 1024331 Select the desired service video Note Following hyperlink without being logged will end in a perm...

Page 22: ...VAP235 Service tool software Step Description Picture 1 Open the battery cover 2 Remove the batteries 3 Remove the plastic insert for dongle or the Hach Communication Dongle Inspection 20...

Page 23: ...ort of the PC 7 Start the service tool software VAP235 4 5 3 Do an inspection with the test filter set service cable PC and VAP235 software Items to collect PC and Software VAP235 Service cable VAA100...

Page 24: ...P235 software on page 16 2 Install the service cable VAA10036 99 G00 in the DR300 Refer to Insert the service cable on page 19 3 Connect the service cable VAA10036 99 G00 to an USB port 4 Push on the...

Page 25: ...sion and boot version are automatically checked If VAP235 is configured to perform the update automatically Enable updates refer to Install VAP235 the update starts 9 Follow the commands Install the i...

Page 26: ...Step Description Picture 10 Check if all segments are displayed and press SELECT button Inspection 24...

Page 27: ...tep Description Picture 11 Check if backlight is on and press BACKLIGHT button 12 For the following commands use the test filter set service DR300 VAA10038 99 V00 The used set No is shown Inspection 2...

Page 28: ...correct orientation Note The filter is light tight Therefore it is not necessary to install the instrument cap 14 The measured value of vial 1 in absorbance is shown Insert set No vial 2 and press RE...

Page 29: ...ss READ button Note The filter is light tight Therefore it is not necessary to install the instrument cap 16 The measured value of vial 3 in absorbance is shown Insert set No vial 8 and press READ but...

Page 30: ...7 txt This inspection task is also available as a service video on HSO HSO full access requires login credentials First log into HSO and afterwards click on https support hach com app answers answer_v...

Page 31: ...length of the DR300 type Refer to Set the part number on page 43 4 To start the service mode push and hold then push at the same time 5 Keep pushing and release Examine the display all segments must b...

Page 32: ...Step Description Picture 8 Push and do a backlight test 9 Install the instrument cap on the cell holder Push to set the instrument zero 0 000 is shown Inspection 30...

Page 33: ...the measured value of the NG11 filter and enter the actual value in the Certificate of Service Inspection 11 Insert the NG5 filter into the cell holder Make sure to install the filter in the correct...

Page 34: ...ent cap Push to measure the absorbance Make a note of the measured value of the BG3 filter and enter the actual value in the Certificate of Service Inspection 14 Remove the filter Install the instrume...

Page 35: ...re 3 Connect the service cable VAA10036 99 G00 to an USB port 4 Push on the DR300 5 Push Connect The display of the DR300 shows serial 6 Push Update Refer to Figure 9 7 If no update is necessary the i...

Page 36: ...Inspection 34...

Page 37: ...rocedures and wear all of the personal protective equipment appropriate to the chemicals that are handled Refer to the current safety data sheets MSDS SDS for safety protocols 5 1 Open the instrument...

Page 38: ...Open the instrument 1 Top housing including keypad 2 Display 3 Mainboard including optical unit 4 Seal 5 Bottom housing 6 To reassemble the instrument follow the previous steps in reverse order Note C...

Page 39: ...al unit Items to collect Optical cup Retaining springs 2x Lens Retainer detector Detector clip Detector IC converter light to frequency Aperture Interference filter Housing for LED LED white O ring Wi...

Page 40: ...Step Description Picture 1 Open the instrument refer to Open the instrument on page 35 Remove the optical unit from the mainboard 2 Insert retainer springs 2x in the optical cup Push the springs in th...

Page 41: ...ture of the lens points downwards 4 To mount the detector assembly slide the retainer A in the detector clip B Do not lock it yet Insert the detector C the lens points downwards Snap the retainer on t...

Page 42: ...ure 7 Insert the interference filter Note Make sure that the wavelength is correct Note Make sure that the wavelength label is readable 8 Push the LED head in the housing Bend the pins 90 Note the pol...

Page 43: ...ector into the plugs and press the optical unit against the mainboard Make sure that the optical unit overlaps the mainboard for 2 mm Use protective glasses and cut the pins of LED and detector on the...

Page 44: ...the test filter set service cable PC and VAP235 software on page 21 If the setpoints of the VAA10038 99 V00 Test filter set are not met refer to Troubleshooting on page 53 This repair task is also ava...

Page 45: ...on Refer to Do an inspection with the test filter set service cable PC and VAP235 software on page 21 This repair task is also available as a service video on HSO HSO full access requires login creden...

Page 46: ...HDB225 600 LPG445 99 22000 Iron Ferro Ver mg L Fe abs HDB224 500 LPG445 99 25000 Aluminium mg L Al abs HDB232 528 LPG445 99 26000 Mono Free NH3 Cl2 NH3 N HDB221 655 LPG445 99 40000 Ammonia mg L NH3 N...

Page 47: ...ption Picture 1 Open the instrument refer to Open the instrument on page 35 Remove the display 2 To install a new display remove the protective foil from the front and back side of the display Insert...

Page 48: ...slots of the display frame 6 To reassemble the instrument Note Coat the seal groove with Krytox oil This repair task is also available as a service video on HSO HSO full access requires login credent...

Page 49: ...ve with Krytox oil This repair task is also available as a service video on HSO HSO full access requires login credentials First log into HSO and afterwards click on https support hach com app answers...

Page 50: ...f a screw driver Note First stick the contacts to the slot in the plastic part Make sure that the contacts are placed in correct direction Push in the battery contacts The battery contacts click in th...

Page 51: ...the housing Note Proper bonding is important for IP67 waterproof 6 To reassemble the instrument install display keypad optical unit and mainboard Close the instrument Note Coat the seal groove with K...

Page 52: ...ttom housing new battery contacts Note Push down the battery contact springs with blade of a screw driver Note First stick the contacts to the slot in the plastic part Make sure that the contacts are...

Page 53: ...ss requires login credentials First log into HSO and afterwards click on https support hach com app answers answer_view a_id 1024331 Select the desired service video Note Following hyperlink without b...

Page 54: ...Repairs 52...

Page 55: ...e mainboard on page 42 Note E 01 When an E 01 error occurs on a measurement the display shows _ __ The decimal place depends on the chemistry If the E 01 error occurs while the instrument is set to ze...

Page 56: ...te the sample Do the test again Note E 04 The value that flashes will be 10 over the upper test range limit E 06 Abs error The absorbance value is not correct or the user entered calibration curve has...

Page 57: ...valid The zero measurement is too low Use a sample cell filled with water and try again If the error continues contact technical support Signal of zero measurement is too low Zero High Frequency 1 KHz...

Page 58: ...e Check read the service log for possible other error messages Update application to device again Replace the mainboard on page 42 E 31 Bootloader update failed There was an error during the transmiss...

Page 59: ...EY_UPDATE_FAILED_CANCELED 3U none Error type error 17 Warning battery capacity is low DR300 Warning battery capacity is 2 V Battery Voltage Battery Capacity C Temperature V Hardware ID Volt V Module I...

Page 60: ...ry voltage battery capacity 2 Zero or Read too high C temperature V Battery voltage battery capacity 3 Zero Read Difference too high C zero temperature C read temperature V battery voltage battery cap...

Page 61: ...T FS_HACH_ERR_CRC FS_HACH_ERR_FLASH FS_HACH_ERR_VERIFY none error index standard message 110 Battery replaced standard message 111 Module detected DR300 Module type 1 factory 2 ble 3 eeprom 10 unknown...

Page 62: ...Read difference frequency C Read temperature Ext Absorbtion none Concentration unadjusted none Concentration adjusted V Battery voltage Battery capacity none Hardware version V Hardware version voltag...

Page 63: ...BLE module version if equipped HWC LED adjust none HWC LED adjust timestamp none BLE module MAC address if equipped error 118 Parameter load error 6 2 Get the data logger 1 Install the service cable...

Page 64: ...page 19 2 Start the VAP235 software 3 Connect the service cable VAA10036 99 G00 to an USB port 4 Push on the DR300 5 Push Connect The display of the DR300 shows serial 6 First save the customer data...

Page 65: ...Figure 15 Set delivery state Troubleshooting 63...

Page 66: ...Troubleshooting 64...

Page 67: ...DETAIL Z SECTION SCALE 2 1 Note Orientation of lens Pos 28 large convex surface toward to Pos 27 NOTICE HACH LANGE GmbH claims proprietary rights in the information disclosed on this drawing It is iss...

Page 68: ...MF883 HFK045 OVQ291 HZD215 HVR021 HAG264 HVR022 A2 1 2 Z A5 A3 A1 A2 A4 A5 A6 5 D 1 2 H G F E C B 4 6 3 4 5 6 A1 v of Datum Date Ers f r Bl Sht nderung Rev No Name Ausgabe Zust Rev Gr e Size 2 2 04 06...

Page 69: ...014 Window 4 LPZ445 99 00019 Label Parameter Chlorine LR 4 LPZ445 99 00020 Label Parameter Chlorine 4 LPZ445 99 00021 Label Parameter Chlorine pH 4 LPZ445 99 00022 Label Parameter Chlorine Dioxide 4 L...

Page 70: ...Z445 99 00030 Label Parameter Ozone 4 LPZ445 99 00031 Label Parameter Nitrate 4 LPZ445 99 00032 Label Parameter Bromine 4 LPZ445 99 00033 Label Parameter Dissolved Oxygen 4 LPZ445 99 00034 Label Param...

Page 71: ...iption Picture 5 YAB210 Mainboard DR300 ASSY 6 LPZ445 99 00015 Seal Grip 7 LPZ445 99 00009 Housing Bottom 8 LPZ445 99 00053 Load disk foam 9 LPZ445 99 00049 Battery contact fixed DUAL AAA Replacement...

Page 72: ...Picture 10 LPZ445 99 00050 Battery contact spring DUAL AAA 6 2x 11 LPZ445 99 00011 Battery Contact spring 2x 12 LPZ445 99 00008 Housing HCD Dongle 14 13 LPZ445 99 00018 Typelabel DR300 HACH LANGE Repl...

Page 73: ...ture 14 LPZ445 99 00046 Screw 4x24 500 PAN SST TORX 4x LPZ445 99 00007 Battery cover assembly 19 LPZ445 99 00006 Instrument cap assembly Optical unit 20 LPZ445 99 00044 Retainer LED Densichek PKT II R...

Page 74: ...ription Picture 21 LPZ445 99 00045 LED 3 1 mm white 22 LPZ445 99 00043 Housing LED white PKT II 23 LPZ445 99 00001 Filter Interference 500 nm 23 LPZ445 99 00002 Filter Interference 528 nm Replacement...

Page 75: ...er Interference 600 nm 23 LPZ445 99 00004 Filter Interference 655 nm 24 LPZ445 99 00040 Aperture 063 Densichek PKT II 25 LPZ445 99 00051 O ring for cell compartment 1 301ID X 070W 26 LPZ445 99 00048 S...

Page 76: ...n Picture 27 LPZ445 99 00005 Cup optical Densichek PKT II 28 LPZ445 99 00041 Biconvex lens PMMA 29 LPZ445 99 00042 Retainer detector Densichek 30 LPZ445 99 00047 IC conv light to frequency 235 Replace...

Page 77: ...LPZ445 99 00052 Clip detector Pocket Colorimeter Display unit 32 YAB211 Display DR300 33 LPZ445 99 00012 Frame display 34 LPZ445 99 00016 Label backlight reflector 35 LPZ445 99 00017 Connector LCD ZEB...

Page 78: ...Accessories Item no Description Picture LPV446 99 00001 Hach Communication Dongle 5953100 Soft sided case holster 4674300 AAA batteries alkaline Replacement parts and accessories 76...

Page 79: ...4302 Sample cell 1 cm 10 mL plastic Service tools Item no Description Picture VAA10038 99 V00 Test filter set Service DR300 VAA10036 99 G00 Service cable VAP235 Software for factory and service inspec...

Page 80: ...Item no Description Picture 2525400 Dielectric grease 16004801 Krytox GPL103 oil colorless Replacement parts and accessories 78...

Page 81: ...ur r elle 0 NG5 NG5 Nominal Value Absorbance Sollwert Extinktion absorbance valeur pr vue 0 Tolerance Toleranz tol rance 0 000 0 000 Actual Value Absorbance Istwert Extinktion absorbance valeur r elle...

Page 82: ...Certificate of Service Inspection 80...

Page 83: ...ice type LPG445 Serial No Software Version General Function Display ok Function Keys ok Photometric Data Inspection Filter Set VAA10038 99 V00 No Valid until Photometric accuracy Filter Wavelength nm...

Page 84: ...Certificate of Service Inspection manually 82...

Page 85: ......

Page 86: ...ach com www hach com HACH LANGE GMBH Willst tterstra e 11 D 40549 D sseldorf Germany Tel 49 0 2 11 52 88 320 Fax 49 0 2 11 52 88 210 info de hach com www de hach com HACH LANGE S rl 6 route de Compois...

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