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EziWeigh5i, EziWeigh6i, EziWeigh7i, WOW2, DAS WOW2

Issue 2, 7/2017

Fault report card

Email to:

Service Department
Tru-Test Ltd
[email protected]

From:

(Distributor)

(Tru-Test Ltd representative)

Date

Return authority (RA) number

Warranty



Yes



Product returned:

Indicator

Model:

Serial number

Configuration



Load bar/Load cells



Serial number(s) of the
load bars

Serial number(s) of the load
cells

Load bars/Load cells
model

Load cell code

Distributor

Date installed

Zero offset

Insulation test

Bridge resistances

red/black

green/white

red/white

red/green

black/white

black/green

Fault description

(include visual impression and display messages)

Fault report (Service centre)

Содержание DAS WOW2

Страница 1: ...Issue 2 7 2017 1 EziWeigh5i EziWeigh6i EziWeigh7i WOW2 and Dairy Automation Systems DAS WOW2 Scale Indicator LEVEL 1 SERVICE MANUAL...

Страница 2: ...h7i WOW2 and DAS WOW2 only 19 Checking the LCDs 19 Testing the keypad 19 Checking the battery 21 Repair procedures 22 LCD handling and storage precautions 22 Using flexible printed circuits FPCs 22 Pr...

Страница 3: ...developing within that component over time When working on an indicator ensure that correct anti static procedures are used 1 Use a wrist band and earth strap 2 Work only on a grounded bench top 3 Use...

Страница 4: ...s No Product returned Indicator Model Serial number Configuration kg lb Load bar Load cells Serial number s of the load bars Serial number s of the load cells Load bars Load cells model Load cell code...

Страница 5: ...in Pozi drive size 2 for case back screws torque setting 0 9 Nm 8 lb in A driver with adjustable torque setting is strongly recommended DO NOT use a variable speed electric drill Pliers Long nose sid...

Страница 6: ...EziWeigh5i EziWeigh6i EziWeigh7i WOW2 DAS WOW2 Issue 2 7 2017 6 Parts diagrams Figure 1a EziWeigh5i Parts...

Страница 7: ...EziWeigh5i EziWeigh6i EziWeigh7i WOW2 DAS WOW2 Issue 2 7 2017 7 Figure 1b EziWeigh6i Parts...

Страница 8: ...igh7i WOW2 DAS WOW2 Issue 2 7 2017 8 816752P 828690P 816753P 828686P 816749P 816748P 815787P 830037P 828688P 830459P 830036P EKZ31070P 816604P SSS20416P 828687P 816747P 816753P 829036P 816597P 819797P...

Страница 9: ...WOW2 DAS WOW2 Issue 2 7 2017 9 816752P 828690P 816753P 829037P or 830504P 816749P 815787P 830037P 828688P 830459P 830036P EKZ31070P 816604P SSS20416P 828687P 816747P 816753P 829038P 816597P 816748P F...

Страница 10: ...P Sound hole label kit EziWeigh5i Kit of 10 x 20 mm round labels used to cover the sound hole in the case front 1 828692P Foam block kit EziWeigh5i 5 x foam blocks 80x30x14 for packing between the cas...

Страница 11: ...ber bumpers 4 819797P Load bar connector dust cap All models 2 EKZ31070P Power communication connector dust cap All models 1 816604P Power adaptor with USB cable EziWeigh5i Eziweigh6i EziWeigh7i 1 818...

Страница 12: ...ttery Check battery voltage if 2 7 V try recharging for at least ten hours If the battery voltage has not risen above 3 3 V then replace battery Battery not charging Battery fault Check battery voltag...

Страница 13: ...re functioning correctly See load bars service manual Faulty load bar connector and FPC Check that the load bar connector FPC is correctly inserted into the PCA Plug a know good load bar connector and...

Страница 14: ...l keys not working Poor keypad connections Check if keypad FPCs are correctly inserted into the PCA See page 22 Keypad fault Unplug existing keypad FPCs and try plugging in a new known good keypad Rep...

Страница 15: ...ngs EziWeigh7i WOW2 and DAS WOW2 only on page 38 On the master device ensure that the Bluetooth setting is enabled Check that the master device is connected to the indicator and not to another device...

Страница 16: ...han 1 3 of the Capacity For maximum accuracy use a larger test weight This is only a warning message If a larger test weight cannot be used the span calibration can still be completed but with reduced...

Страница 17: ...Weights of more than 8192 divisions cannot be recorded Use a larger resolution during span calibration Er 22 Greater than 5000 d Caution The number of divisions is greater than 5000 Use a larger reso...

Страница 18: ...alibration plug to the other load bar connector and remove the 0 mV V calibration plug The weight displayed should be 2000 kg 4410 lb within 1 kg 2 lb Checking the load cell codes Load bars have a uni...

Страница 19: ...n between the indicator and a known good EID Reader with Bluetooth wireless connectivity see the EziWeigh7i or WOW2 Quickstart Guide for details 2 Check that the Bluetooth wireless connection status i...

Страница 20: ...ower Zero Record Keypad all numbers Escape Menu Enter Up arrow Down arrow The keypad may fail due to an internal short circuit To test the keypad for short circuits 1 Disconnect the keypad FPCs from t...

Страница 21: ...minutes This may give the impression that the battery has gone flat Press to continue weighing This feature can be turned off through the setups menu on the EziWeigh6i EziWeigh7i WOW2 and DAS WOW2 It...

Страница 22: ...ust remove the LCD from the case front cover the display surface with 3M protection tape part no GET00039 When storing LCD modules avoid exposure to direct sunlight light of fluorescent lamps or harmf...

Страница 23: ...The FPC should be straight without any bends or folds 2 Lower the locking bar to close the lock Figure 4 Dot matrix LCD FPC connector closed All models To disconnect and reconnect all FPCs other than...

Страница 24: ...keypad keypad overlay o ring and screws is essential to help maintain an effective environmental seal for the case Incorrect installation can lead to case leaks and serious malfunctions Ensure that t...

Страница 25: ...gs Do NOT use a variable speed drill to tighten or undo the screws Figure 7 Required order of tightening screws on the case back in order to obtain consistent screw torque and hence consistent o ring...

Страница 26: ...the case Be careful not to damage the mating surfaces of the case Do not use a knife to remove the seal as it may damage the case even a small cut can create sealing problems 3 Ensure the seal groove...

Страница 27: ...onnectors the piezo speaker EziWeigh6i EziWeigh7i WOW2 and DAS WOW2 PCA and the LCDs and refit them into a new case front See pages 29 29 30 31 and 33 respectively 3 Replace the bezel keypad and overl...

Страница 28: ...se front 4 Peel off the keypad if needed 5 Remove any excess glue from the case front by rubbing with fingers or a hard rubber eraser Use IPA to clean the surface then allow drying thoroughly 6 Remove...

Страница 29: ...n the battery with a permanent marker 4 Refit the case back See page 24 5 Check that the indicator operates and place it on charge for 4 hours The indicator must be off during charging to ensure that...

Страница 30: ...Ensure that the orientation key inside the C16 connector is pointing in the same direction as the other connectors see Figure 12 Connector key orientation Figure 12 Connector key orientation 3 Refit...

Страница 31: ...refitting the PCA Removing the PCA 1 Remove the case back See page 24 2 Disconnect the battery loom the piezo speaker loom the dot matrix LCD backlight loom the three connector FPCs the two LCD FPCs a...

Страница 32: ...ase front and the PCA This prevents unwanted movement inside the case 2 Position the PCA in the case front Hint EziWeigh6i EziWeigh7i WOW2 and DAS WOW2 It is easier to fit the LCD FPCs to the PCA befo...

Страница 33: ...ll plastic swarf is removed 4 Position the new LCD Ensure that no specs of dust or debris or finger prints are trapped between the LCD and the case window gently blowing with compressed air aerosol ma...

Страница 34: ...SPAn c See the technical bulletin Span Calibration Guide to perform span and sensitivity calibrations Damping options Press until displays d SYSt Press Press or to select CAtLE cattle SHEEP sheep F t...

Страница 35: ...often be observed at one of these extremes or drifting values uUPd current cell code micro volts per division below 3uV d electrical noise may start to affect the stability and accuracy of the scale S...

Страница 36: ...tions Diagnostics Press until displays Press Press or to display load cell code current load cell code has had its calibration settings changed from factory defaults YES NO if yes probably span or sen...

Страница 37: ...libration plug to a load bar connector 4 Press to display buSY then 2 PLuG 5 Connect the 2 mV V calibration plug to the other load bar connector and remove the 0 mV V calibration plug 6 Press to displ...

Страница 38: ...oting a Bluetooth wireless connection you may require the following information MAC Address To display the indicator s MAC address 1 Press 2 Press repeatedly to display Setups 3 Press 4 Press repeated...

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