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Tru-Test ID5000, Service Manual

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Tru-Test ID5000 Service Manual Download Page 19

ID5000, XR5000 Level 1 Service Manual 

 

Issue 4, 8/2017 

19 

Checking the LCD 

Try various functions to check that the LCDs are operating correctly. Watch for missing or faded segments, rows or columns of 
dots. 

Follow these steps to test the backlight operation (ID5000 and XR5000). 
1

 

Press  . 

2

 

Go to the the 

Settings > General

 screen. 

3

 

Change the 

Display Backlight

 to On, Off, Auto. 

 

 

Testing the keypad 

Test the keypad in the order specified below. Every key on the keypad should produce a display response. 

 

 

ID5000 and XR5000 

Power 

 

Weigh 

 

Zero* 

ZERO

 

Record* 

REC

 

Keypad  

(all alphabet and numbers) 

Enter 

ENTER

 

Help 

 

Escape (Back) 

 

Arrows 

 

 

Home 

 

* Requires load bars or a load bar emulator to be connected to the indicator to populate the weight display. 

 

 

Summary of Contents for ID5000

Page 1: ...Issue 4 8 2017 1 SERVICE MANUAL Level 1...

Page 2: ...oad cell codes 17 Checking the power connection 18 Checking the USB connections 18 Checking the RS232 connection 18 Checking the Bluetooth wireless connection 18 Checking the Wi Fi wireless connection...

Page 3: ...he LCD indicators with serial number 510 000 only 35 Replacing the case front assembly 38 Tru Test Limited 2014 17 All rights reserved The Bluetooth word mark and logos are registered trademarks owned...

Page 4: ...component over time When working on an indicator ensure that correct anti static procedures are used Use a wrist band and earth strap Work only on a grounded bench top Use a suitable lead free anti s...

Page 5: ...Product returned Indicator Model ID5000 XR5000 Serial number Load bar Load cells Load bar Serial number s Load cell Serial number s Load bar Load cell model Load cell code Distributor Date installed Z...

Page 6: ...0 mV V calibration plug Part no WIA70020 For field service technicians Indicator 2 mV V calibration plug Part no WIA70022 For field service technicians Personal computer Windows XP or later USB flash...

Page 7: ...s differ considerably Here are the key differences between the spare parts provided for the two types of indicator Indicators with serial number 510 000 Indicators with serial number 510 000 Case fron...

Page 8: ...available on the service website www service tru test com The reason that the whole indicator must be replaced is that the new LCD does not fit fit into the old case and there are also many other ass...

Page 9: ...g on the when the indicator was manufactured Make sure that you have checked the serial number on the indicator before ordering any spare parts 816752P 823285P 827834 827837 831940P SSS20416P XR5000 8...

Page 10: ...ator was manufactured Make sure that you have checked the serial number on the indicator before ordering any spare parts 816752P 823285P 827834 827837 825662P SSS20416P XR5000 832663P ID5000 831943P 8...

Page 11: ...0 1 823346P Battery Models with serial number 510 000 Kit of 2 batteries 1 831940P Models with serial number 510 000 Kit of 2 batteries 1 825662P PCA printed circuit assembly XR5000 ID5000 1 1 832663P...

Page 12: ...s cradle and PCA 16 SSS20416P Screw kit USB connectors Kit of 10 large screws Kit of 10 small screws 2 2 823283P 823284P Rubber bumper kit Kit of 4 rubber bumpers used to protect corners 1 827834 Load...

Page 13: ...e power key is damaged If the keypad is faulty replace the case front assembly see page 38 Corrupted memory If possible update the firmware Refer to the technical bulletin Updating the firmware Faulty...

Page 14: ...l connector ensuring fit correct cell code See load bar service manual Bad indicator load bar connector Check that the load bar FPC is correctly inserted into the PCA Plug a good load bar FPC into the...

Page 15: ...reen is not active Press Finish soft key if in this screen Check the Bluetoooth wireless connection see page 18 Problem with master device When connected to another Bluetooth enabled device the indica...

Page 16: ...rent of the battery Typically approx 2000 mA during charging although this will decrease when the battery approaches fully charged Typically approx 800 mA during discharge Charger Temperature Ignore A...

Page 17: ...ug to the other load cell connector and remove the 0 mV V calibration plug The weight displayed should be 2000 kg 4410 lb within 1 kg 2 lb Checking theload cell codes Each type of load bar has a uniqu...

Page 18: ...h wireless connectivity see the 5000 Series Weigh Scale Indicator Quickstart Guide or ID5000 XR5000 online help for details 2 Check that the Bluetooth wireless connection status indicator is displayed...

Page 19: ...and XR5000 1 Press 2 Go to the the Settings General screen 3 Change the Display Backlight to On Off Auto Testing thekeypad Test the keypad in the order specified below Every key on the keypad should...

Page 20: ...ator will enter a special recovery mode to trickle charge the battery for up to 30 minutes during which the indicator will not turn on If after 30 minutes of charging the battery has not recovered the...

Page 21: ...ect the battery and plug it into a battery test load 2 x 3 3 5 W resistors in parallel This will discharge the battery at approximately 2 A If after four hours the battery voltage is less than 2 5 V r...

Page 22: ...of the FPC connector They can be easily damaged The tracks on the FPCs have a pitch of only 0 5 mm 1 50 and are only on one side of the strip It is therefore critical that they are inserted straight...

Page 23: ...s Removing and refitting thebumpers Removing the bumpers 1 Remove the rubber corner bumpers starting at the back by unscrewing the bumper screws then peeling off the bumper 2 If necessary you can care...

Page 24: ...he foot 4 Inspect the eight screws and replace any that are damaged 5 Remove any plastic swarf from the screw bosses the screws and the case 6 Before tightening first turn the screw anti clockwise unt...

Page 25: ...f the case back 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 the clea...

Page 26: ...r the indicator is serviced See page 27 for instructions Figure 6 Case back exploded view 4 Tighten the screws using a torque limited screwdriver set to 0 9 Nm 8 lbf in or hand screwdriver The screws...

Page 27: ...sure that the seal groove is clean Use cotton buds q tips or tissues to remove any excess oily residue 6 Replace the o ring taking care to get an even stretch along its length Figure 8 Case front asse...

Page 28: ...properly Generally for lithium batteries this includes deep discharging the battery with a resistor and then leaving the battery in a bucket of salty water for a week However you should seek advice fr...

Page 29: ...he connector then remove the assembly Refitting the power comms and load bar connectors 1 Check that the case is clean where the connector meets the case and that all plastic swarf is removed The orie...

Page 30: ...g the USB dust cap 1 Place the USB dust cap in the dovetail groove Reverse of Step 2 See Figure 13 2 Push the cap closed Reverse of Step 1 See Figure 13 3 Refit the case back see page 25 4 Refit the r...

Page 31: ...corner bumpers see page 23 2 Remove the indicator case back see page 25 3 Remove the USB dust cap see page 29 4 Unplug the battery from the PCA 5 Slide the USB FPC out of the connector body on the PC...

Page 32: ...into the connector body on the PCA 4 Plug the battery connector into the PCA 5 Replace the USB dust cap see page 29 6 Refit the case back see page 25 7 Refit the rubber corner bumpers see page 23 Remo...

Page 33: ...the cradle 2 Ensure that the LCD FPC is correctly positioned between the PCA and cradle so that it can be re connected to its connector on top of the PCA 3 Screw in the four retaining screws to fasten...

Page 34: ...ce the cradle into the case front taking care to thread the LCD FPC through the gap in the middle of the cradle 3 Fit the PCA in place in the cradle See steps 1 and 2 of Refitting the PCA on page 33 4...

Page 35: ...c solvent as they will damage the polariser Do not attempt to disassemble the LCD When storing LCD modules avoid exposure to direct sunlight light of fluorescent lamps or harmful gases The recommended...

Page 36: ...e case front to expose the LCD on the work surface 6 In the case front remove all traces of the sticky rectangular gasket using the craft knife and IPA 7 Turn the LCD over Remove the two LCD connector...

Page 37: ...edges of the window Peel away the other side of the backing 6 Insert the LCD into the case front ensuring that the orientation is correct Press down firmly all the way around the perimeter Figure 23...

Page 38: ...and power comms assemblies USB dust cap and USB FPC assemblies and refit them into a new case front See pages 29 29 and 30 respectively 6 Models with serial number 510 000 Remove the backing on the s...

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