SERVICE MANUAL
SCOUT
®
PRO
BALANCES
Ohaus Corporation 19A Chapin Road, P.O. Box 2033, Pine Brook, NJ 07058-2033 (973) 377-9000
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Page 1: ...SERVICE MANUAL SCOUT PRO BALANCES Ohaus Corporation 19A Chapin Road P O Box 2033 Pine Brook NJ 07058 2033 973 377 9000 All manuals and user guides at all guides com a l l g u i d e s c o m...
Page 2: ...www mirvesov ru 495 921 44 57 All manuals and user guides at all guides com...
Page 3: ...ration assumes no liability arising from the use or misuse of this material Reproduction of this material is strictly prohibited Material in this manual is subject to change Copyright 2003 Ohaus Corpo...
Page 4: ...www mirvesov ru 495 921 44 57 All manuals and user guides at all guides com...
Page 5: ...nt 3 2 3 1 3 Transducer Replacement 3 4 CHAPTER 4 TESTING 4 1 Testing 4 1 4 1 1 Operation Test 4 1 4 1 2 Segment Display Test 4 1 4 2 Performance Tests 4 1 4 2 1 Repeatability Test 4 2 4 2 2 Off Cente...
Page 6: ...t Board removal 3 2 3 4 Transducer Removal 3 4 4 1 LCD Full Display 4 1 4 2 Transducer Front View Down Stop Adjustment 4 4 5 1 Scout Pro Exploded View 5 2 A 1 Screw and Housing Removal A 2 A 2 Connect...
Page 7: ...uld be familiar with the Instruction Manual which is packed with everybalance The procedures inthis manual assumes the technicianperforming themhas a working knowledge of the use of standard hand tool...
Page 8: ...d as follows 1 3 1 Special Tools and Test Equipment List 1 Alternate voltage Power Adapter if local power requirements do not match Balance Adapter voltage ratings 2 Scout Pro RS232 option PN 71147376...
Page 9: ...00 400 400 600 2000 4000 6000 Readability g 0 01 0 1 1 0 Repeatability Std Dev g 0 01 0 1 1 0 Off Center Loading g 0 01 0 1 1 0 Linearity g 0 01 0 1 1 0 Tare range To capacity by subtraction Over Rang...
Page 10: ...1 4 CHAPTER 1 INTRODUCTION www mirvesov ru 495 921 44 57 All manuals and user guides at all guides com...
Page 11: ...omponents and operation Do not attempt repairs unless you fully understand the operation of the balance 2 2 1 Diagnosis 1 Isolate and identify the symptom 2 Refer to Table 2 1 Diagnostic guide and loc...
Page 12: ...STIC GUIDE PROBABLE CAUSE 1 No power 2 Power Jack defective 3 Weak battery 4 Battery connector poor contact 5 PC Board defective 1 Weak battery 2 AC Adapter defective or wrong type being used 3 PC Boa...
Page 13: ...isaligned 1 Balance not warmed up 2 Defective Transducer 3 PC Board defective 1 Balance has detected an error condition 2 Defective Transducer 3 PC Board defective REMEDY 4 Replace Transducer 5 Replac...
Page 14: ...ct mass Err 5 Parts counting error 1 Sample is less than 1d Change sample quantity or increase sample Err 8 RS232 buffer is full 1 Check printing device Err 9 Internal data error 1 Restore data file 2...
Page 15: ...ponents to static electricity discharge When servicing a wrist Ground Strap with a 10 Megohm series resistor to earth ground is highly recommended The Printed Circuit Board 9 should be handled by gras...
Page 16: ...t should be replaced rather than repaired To replace the Printed Circuit Board 9 proceed as follows 1 Remove the balance cover refer to paragraph 3 1 1 CAUTION WHEN HANDLING THE PRINTED CIRCUIT BOARD...
Page 17: ...sure that the Printed Circuit Board is positioned under the 2 clips on the Base 10 9 Connect the flexible cable from the Transducer to Connector J6 on the Printed Circuit Board 9 10 Connect the RS232...
Page 18: ...can render it inoperative 1 Remove the cover in accordance with the procedures in paragraph 3 1 1 2 Remove the 4 screws that secure the Transducer 8 to the Base 10 The screws are accessible at the bo...
Page 19: ...h the balance is rated for a different voltage use an appropriate adapter to match the supply voltage 4 1 2 Segment Display Test 1 Turn the balance on by pressing ON ZERO Off all segments are enabled...
Page 20: ...g should return to 0g 1 count 4 Repeat this test for ten readings If the standard deviation of the readings is less than 1 count the balance passes the Repeatability Test Adjustment If the deviation f...
Page 21: ...this test must be adjusted to ASTM Class 4 Tolerance or better NOTE The balance must pass the Off Center Load Test and Re peatabilityTestbeforetheLinearity Testmaybeperformed Test Loads do not have to...
Page 22: ...hedownstop Tomakeadjustments theTransducermustberemovedfrom the balance Perform procedures 3 1 1 and 3 1 3 and remove the Transducer from the balance NOTE This procedure will require feeler gauges ran...
Page 23: ...in Max mm in SPx123 0 40 0 016 0 45 0 018 SPx202 0 60 0 024 0 70 0 028 SPx402 0 50 0 020 0 60 0 024 SPx401 0 75 0 030 0 90 0 035 SPx601 0 65 0 026 0 75 0 030 SPx2001 0 65 0 026 0 90 0 035 SPx4001 0 6...
Page 24: ...4 6 CHAPTER 4 TESTING www mirvesov ru 495 921 44 57 All manuals and user guides at all guides com...
Page 25: ...nt is made The balance MUST meet the parameters of all applicable specifications in this manual If further technical information is needed in the United States call Ohaus Aftermarket toll free 1 800 5...
Page 26: ...www mirvesov ru 495 921 44 57 All manuals and user guides at all guides com a l l g u i d e s c o m...
Page 27: ...t 2000g Scout Pro SP2001 SPX2001 8 71160408 Kit Transducer replacement 6000g Scout Pro SP6001 SPX6001 8 71160407 Kit Transducer replacement 4000g Scout Pro SP4001 SPX4001 8 71160406 Kit Transducer rep...
Page 28: ...ut Pro All 14 71147994 LCD Scout Pro All 15 71160313 Cal Lock Scout Pro All 16 71160323 Connector Battery Scout Pro All 17 12102033 Weigh Below cover Scout Pro All 18 71160309 Lock sub platform Scout...
Page 29: ...following URL HTTP fileshare ohaus com docushare a Click on Login b Login ServiceA Password aservice Both are case sensitive c Click on the Xerox logo at the upper left d Click on Technical Support e...
Page 30: ...5 Install the modified RS232 USB module in the balance being repaired NOTE If using the customers interface do not forget to remove the modification after the repair is complete 6 Plug the interface c...
Page 31: ...Click on the Port Settings tab 7 Click on the Advanced button 8 Change the COM port number to an unused port 9 Click on OK twice 9 Close the System Properties box 10 Close the Control Panel Window 11...
Page 32: ...lick on the Test Command tab and test the communications 4 In this example see figure A 6 the P command resulted in the 0 02g being written in the lower screen The V command resulted in Sr 1 10 being...
Page 33: ...load cell serial number and click on Load cell C in the serial number box 8 The bar G is a graphical indication of the portion of the transducer output that is being used A 6 USING CONFIG TOOL AFTER R...
Page 34: ...port Baudrate 2400 ByteSize 7 Parity None 9 The balance will respond to the V command but not the others 10 The bar graph will respond to pressure on the platform 11 Enter the balance serial number 1...
Page 35: ...On Zero Off button 6 Press and release the On Zero Off button The display will show C blinking and then the second mass value 7 Place masses totaling this value on the balance and press the On Zero O...
Page 36: ...the first mass value 9 Place masses totaling this value on the balance and press the ON ZERO Off button 10 Press and release the ON ZERO Off button The display will show C blinking and then the second...
Page 37: ...O Off button Thebalancewillreturntotheweighingmode 15 Press and hold the ON ZERO Off button until the display shows OFF 16 Remove power from the balance 17 Remove either the short on U9 or the short o...
Page 38: ...B 4 APPENDIX B FACTORY CALIBRATIONS www mirvesov ru 495 921 44 57 All manuals and user guides at all guides com...
Page 39: ...www mirvesov ru 495 921 44 57 All manuals and user guides at all guides com...
Page 40: ...P N 80250973 SERVICE MANUAL SCOUT PRO ELECTRONIC BALANCES 80250973 All manuals and user guides at all guides com...
