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OHAUS RU-C2, Руководство по обслуживанию

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Service Manual RU 

OHAUS 

Page 4 / 53 

11/01/2010 

Ohaus 

1. PRECAUTIONS 

 
 
READ this manual BEFORE 
operating or servicing this 
equipment.  
 
FOLLOW these instructions 
carefully. 
 
 
 
 
SAVE this manual for future 
reference.  
 
 
DO NOT allow untrained 
personnel to operate, clean, 
inspect, maintain, service, or 
tamper with this equipment.  
 
 
 
ALWAYS DISCONNECT this 
equipment from the power 
source before cleaning or 
performing maintenance.  
 
 
 
 
CALL Ohaus for parts, 
information, and service. 
 
 
 
 

Содержание RU-C2

Страница 1: ...RU RU Service Manual RU RU U2 RU C2 Edition January 2010 ...

Страница 2: ...ted in any form or by any means electronic or mechanical including photocopying and recording for any purpose without the express written permission of Ohaus Inc U S Government Restricted Rights This documentation is furnished with Restricted Rights OHAUS RESERVES THE RIGHT TO MAKE REFINEMENTS OR CHANGES WITHOUT NOTICE ...

Страница 3: ...leshooting 11 4 Calibration 14 5 PC software 16 6 Flashing Software 17 7 POWER SUPPLY 18 8 Main Logic PCB 19 9 Load Cell 21 10 Warning Messages 22 10 1 Error Messages 23 11 Interconnecting Diagram 25 12 Replace main PCB 26 13 Replace switch power 27 14 Replace display 28 15 Replace load cell 29 16 Replace keyboard 32 17 Replace printer 33 18 Replace printer head 35 19 Install wireless card 36 20 M...

Страница 4: ...ent FOLLOW these instructions carefully SAVE this manual for future reference DO NOT allow untrained personnel to operate clean inspect maintain service or tamper with this equipment ALWAYS DISCONNECT this equipment from the power source before cleaning or performing maintenance CALL Ohaus for parts information and service ...

Страница 5: ...PC The standard RU weighing capacity is 6kg 15kg 12kg or 30kg range This scale integrates seven segment displays on each display for weight tare unit price and total price It also includes a 16 characters display on each side to show item description The RU like all other Ohaus products is designed for maximum durability and reliability in even the most demanding application environments The RU is...

Страница 6: ...r A 142 position preset keyboard RU U2 for fast PLU retrieval Different type may have different preset key quantity RU C2 has 56 Real time clock and RAM are backed up by a lithium rechargeable battery with at least 1 month memory retention without external power VOID key for clearing previous transaction from accumulator Computer interface port Ethernet interface for use with communication softwar...

Страница 7: ...characters for commodity description marquee and prompt messages during programming The Weight and Total Price display characters are 12mm high by 7 4mm wide The Tare and Unit Price display are 10mm high by 6mm wide The alphanumeric characters are 7 6mm high and 5mm wide Another display option available is the full dot matrix display which can enable promotional graphical displays as well as speci...

Страница 8: ... retain backup PLU s and the time date in the SRAM memory for up to one month Other data including calibration data are retained in the EEPROM which requires no battery for memory retention 2 7 Label Printer Labels can be printed with the built in thermal label printer The standard printer uses a 54mm wide high resolution 8 dots mm thermal Printer head The printer driver PCB incorporates a heat de...

Страница 9: ...t not be shared with noise and surge generating equipment such as electric motors compressors thermostats fluorescent lights etc A line conditioning device is recommended to provide protection from surges and spikes The Power supply uses an electronic overload protection circuit designed to protect the internal electrical components Normal supply voltage 100VAC 10 240VAC 10 50 60Hz 0 5A Max input ...

Страница 10: ...ice Manual RU OHAUS Page 10 53 11 01 2010 Ohaus 2 10 Major Component Map Ref Description A Display B Tower C Platter supporter D Printer E Numeric Keypad F Preset Keypad G Power switch B A D E F G A A E F D ...

Страница 11: ...NOPERATIVE 1 Check keyboard connection on keyboard controller PCB 2 Check Keyboard controller connection to Main Logic ensure all connections are secure 3 If all connections are secure and keyboard is inoperative a Replace keyboard controller PCB b Check keyboard once again c If Keyboard is still inoperative replace keyboard SCALE WON T ZERO DISPLAY PUT PLATTER ON or ZERO NOT CAPTURE 1 Check platt...

Страница 12: ... pen 5 Adjust label Gap Sensor through SENSOR TEST in Service Mode 6 Replace Gap Sensor Assembly 7 Replace Main Logic PCB LABELS DARK 1 If labels are printed correctly but are excessively dark check the ENERGY setting in Service Mode 2 Check printer head harnesses for loose wires LABELS MISSING DOTS 1 If the labels are streaked by lines from top to bottom replace the printer head 2 If characters a...

Страница 13: ...IF ONE IS NOT YET TAKEN 1 Check PAP END DET option in Service Mode Paper End Detection 2 Check Take Label Sensor 3 Check Main Logic PCB OUT OF LABELS ERROR 1 Make sure labels are threaded through the Gap Sensor 2 Clean Check Gap Sensor 3 Check Gap Sensor through SENSOR TEST in Service mode 4 Replace Gap Sensor 5 Replace Main Logic PCB CAN T COMMUNICATE WITH PC 1 Test scale serial port through INTE...

Страница 14: ... Screw out sealing screw operation operation display description enter the menu enter calibration QUIET 0 2 ambience condition 0 quiet 1 normal 2 disquiet enter to calibrate PUSH CAL BUTTON push calibration switch press calibration switch SELECT GEO 12 INPUT GEO input weight GEO 0 31 ...

Страница 15: ... increment if necessary select increment READ THE ZERO capture zero ADD WEIGHT 0 000 input standard weight value and put on platter put standard weight on platter DONE capture the weight SHUT DOWN turn off scale and power on again NOTE IN THE PROCESS IF GIVE THE MESSAGE INIT CELL WHICH INDICATE THE FAULT CALIBRATION ...

Страница 16: ...patible PC with Windows 95 NT or higher version operating system One serial port or Ethernet port is required The wiring diagrams shown in the following figure can be used to make cables from a 25 pin or a 9 pin PC serial port to the 9 pin connector at the RU Factory cables are available from RU using the part numbers shown in the figure 123848OTC Cable PC DB9 to RU 10ft 3m RU DB9 F TO 9 PIN SERIA...

Страница 17: ...other end to the RU serial port Power ON the scale The scale will display WAIT FOR HOST to wait for PC signal Then enter the HyperTerminal to select right COMM port of the computer Then set the data as baud tare 115200 data bits 8 parity none stop bits 1 flow control none After come back main interface of the Hyper terminal to select send file select the scale code and the protocol as 1K Xmodem Se...

Страница 18: ...pected as being in the Main Logic PCB or a component that connects to the Main Logic PCB If the output voltage is zero check the 120 VAC input voltage If the correct AC input voltage is present but there is no 24 VDC output replace the Power Supply If no voltage is present check the fuse 240VAC 4A on the power supply If the fuse is OK check AC input at the Line Cord Jack between the Red wire and B...

Страница 19: ...ng the thermal printer Inputs and Outputs to the Main Logic include the Label Taken Sensor Gap Sensor Printer head Stepper Motor Rewind Motor Load Cell and etc The following Figure shows the locations of the various components and connectors on the Main Logic PCB If the voltages are not within the range specified and the Power Supply voltage is correct replace the Main Logic PCB NOTE WHEN REPLACIN...

Страница 20: ...Service Manual RU OHAUS Page 20 53 11 01 2010 Ohaus ...

Страница 21: ...ding a steady 10VDC 0 25VDC If the Excitation voltage is good the signal output can be checked across SIG SIG Set the meter to read in millivolts mV Put the positive lead on the left pin of F2 and negative lead on the left pin of F3 With no weight on the platter you should read zero data As you add weight to the platter the voltage should rise and be linear if equal weight is added each time If th...

Страница 22: ...he configured label format LABEL MOVED The stepper motor or the rewind motor is not working properly CHANGE PAPERROLL The label roll is not installed or the label roll is empty TAKE LABEL OFF Take off the current label before printing the next one NO FREE OX KEY All the configured operator keys have been occupied PRINT TICKET Print out the customer ticket before logging out OPEN CUST TICK You are ...

Страница 23: ...d off and on In many cases the error will disappear There are 3 different kinds of error messages Error Status 1 Warning After the warning the scale can still be used Error Status 2 Press CODE key Change to one of the CODE menu Back to normal operation mode Error Status 3 Press CODE key and enter SERVICE MODE after returning to normal operation mode the scale will perform RESET ...

Страница 24: ... XX 01 Operator 07 Group data 02 Ticket data 13 Label data 03 Time total data 15 Date text data 04 Text data 21 PLU label data 05 Barcode data 23 Store adress 06 Tare data 24 PLU data Meaning of YY 01 Operator Configure 04 Password Configure 03 Keyboard Configure ...

Страница 25: ...Service Manual RU OHAUS Page 25 53 11 01 2010 Ohaus 11 Interconnecting Diagram ...

Страница 26: ...d take out the power cable from electrical outlet Take away platter Screw out the 5 bolts A from base and take away Show main PCB Pull out all connection from main PCB Screw out 6 bolts B from main PCB take away it Install main PCB Put the main PCB to right position screw in 6 bolts of main PCB Put the cover of base then screw in 5 bolts Put on platter Power on scale ...

Страница 27: ...platter Screw out the 5 bolts A from base and take away Pull out the harness in switch power Screw out 4 bolts in the power PCB Take away the switch power Install switch power Put the switch power to the right position Screw in 4 bolts of the power PCB Plug in all the connection harness in the PCB Put the cover of base then screw in 5 bolts Put on platter Power on scale ...

Страница 28: ...display Screw 5 bolts of the front display pull out harness and take away the display Screw 4 bolts of back display and pull out harness take away back display Install display Put the back display to right position and screw in 4 bolts to fix it Plug in harness of display Also the harness to front display Put on the front display Screw in bolts for installation Put the front display Screw in 2 fix...

Страница 29: ...Service Manual RU OHAUS Page 29 53 11 01 2010 Ohaus 15 Replace load cell ...

Страница 30: ...nd take out spacer Also take out load cell spacer Also screw 2 screws for installing load cell under the scale Take away load cell Install load cell Put the load cell to right position Install 2 screws from scale bottom Screw down with moment spanner 15kg CAPACITY with 8 NM 30kg CAPACITY with 10 NM Put the spacer and then screw down 2 screws in it Screw down with moment spanner 15kg CAPACITY with ...

Страница 31: ...AUS Page 31 53 11 01 2010 Ohaus Install the up cover print paper cover up spacer screws in interface PCB cover of main PCB at bottom etc Adjust 4 screws in up spacer and let the spacer levelly Put on platter Power on scale ...

Страница 32: ...over kits Pull out the harness of keyboard from the keyboard convert PCB Rip off the keyboard overlay take out it Install keyboard Clean the keyboard cover with alcohol and wait it till dry Let harness through the hole in it and rip off the protect paper in keyboard then stick it to the keyboard cover Plug in the harness to keyboard convert PCB Put the keyboard to right position and install 3 bolt...

Страница 33: ...Service Manual RU OHAUS Page 33 53 11 01 2010 Ohaus 17 Replace printer I ...

Страница 34: ...connect the harness in printer PCB and connect ground wire Take out printer also with sliding feet under it Install printer Put the sliding base to right position Insert the harness of the printer PCB and connect the ground wire Put the printer to right position and insert to scale carefully Insert the sliding feet under the printer Screw down 2 bolts for fixing the printer at bottom of scale Clos...

Страница 35: ...ical outlet Take away platter Open printer door pull out printer Screw out 2 screws J for fixing printer head Pull out the harness from printer head Take away printer head Install printer head Insert the printer head harness Put the printer head and spacer to right position Screw down 2 bolts Close the printer head Push the printer back to scale Put on platter Power on scale J ...

Страница 36: ...Service Manual RU OHAUS Page 36 53 11 01 2010 Ohaus 19 Install wireless card Steps as below A1 B1 C1 D1 E1 F1 G1 H1 I1 J1 K1 L1 ...

Страница 37: ... the bolts in the bottom of scale Put the wireless kit A1 to the position G1 Install the bolts to it H1 Take out the seal from hole I1 Put the Ethernet harness through the hole J1 Connect the Ethernet harness to the Ethernet port K and fix the harness as picture L1 Put the wireless card power harness through the hole M1 Connect the wireless card power harness to the main PCB O1 Then to install the...

Страница 38: ...liquid directly on the unit A mild spray cleaner can be used by spraying the cleaning cloth 20 2 Cleaning Printer head Turn the scale off by placing the power switch to the OFF position Disconnect power cord from outlet Open the plastic door on the right side of the scale Slide out the printer Press the trigger to open the print head Clean the printer head with a soft clean cloth soaked in isoprop...

Страница 39: ... for small weight change This device is not activated when a package tare is compensated After cleaning the dirt from the platter with the scale on the display can read A negative value Or _ _ _ _ _ segments can be lit Solution Press the ZERO key if the message appears again or turn the scale off and back on again with the main power switch ...

Страница 40: ...out with the requested licenses and the PID Enter the PID and the serial number of the product in bPlus Go to http partner mt com or contact your service support team 6 LID yes enter the LID you received from our system and the requested functionality is unlocked at once ATTENTION Please keep the LID of your product in a save place The LID will be sent to you in a confirmation e mail when you requ...

Страница 41: ... 53 11 01 2010 Ohaus 22 Exploded Diagrams RU C2 RU C2 Item P N Description Qty 1 72240536 Label roll cover RU 1 2 183021 Platter 1 3 102326 Leveling Bubble 1 4 124041 Cap Spider Center 1 5 154555 Cap Spider Corner 4 6 180974 Spider 1 ...

Страница 42: ... Harness AC Power Socket 1 16 72187456 Harness AC power Switch 1 17 173307 PCB Assembly interface 1 18 167391 FOOT Long left 2 19 72186444 Sheet Metal Support interface 1 20 72186387 Switching Power Supply 24v 4 2A 1 21 169795 PCB Assembly Main board standard 1 22 183358 Sheet Metal base cover 1 23 183359 Swivel adjustment support 2 24 180948 Keyboard Housing Base 1 25 150652 Spring keyboard Swive...

Страница 43: ...support A display 1 44 72189191 Display Assembly segment EURO 2 45 180944 Display Housing 2 46 72239245 Display lens front C2 RU 1 47 156439 Harness Customer display 1 48 173248 Harness Main pcb to printer board 1 49 72187458 Harness Main pcb to interface 1 50 182252 Harness Main PCB to keyboard 1 51 171790 Harness Segment Disp convert 1 52 72193070 Display Lens Opaque customer RU C2 1 53 72188193...

Страница 44: ...7 72192905 SLOT SCREW M5X16 GB79 85 4 B8 72194324 NUT M4 2 B9 72201474 SCREW M2 9X6 5 GB845 6 B10 72201466 SCREW M3X6 GB818 18 B11 102661 SPRING WASHERS 4 B12 72201469 SCREW M4X14 GB819 3 B13 142884 SLOT SCREW M3X8 GB79 85 2 B14 143133 SCREW M3X6 GB819 2 ...

Страница 45: ...Service Manual RU OHAUS Page 45 53 11 01 2010 Ohaus RU U2 RU U2 Item P N Description Qty 1 180945 Sheet Metal support A display 1 2 72189191 Display Assembly segment EURO 2 ...

Страница 46: ...le 1 15 124041 Cap Spider Center 1 16 180974 Spider 1 17 122206 Sealing Sticker EU 1 18 72192054 Sealing Cover 1 19 154555 Cap Spider Corner 4 20 180943 Main Housing Cover 1 21 72185423 Spider support 1 22 174032 PCB Assembly AD board 1 23 180951 Sheet Metal support Power Switch 1 24 72187456 Harness AC power Switch 1 25 72187455 Harness AC Power Socket 26 72186387 Switch Power Supply 24v 4 2A 1 2...

Страница 47: ...r UpperKB 1 43 72183678 Sheet Metal support display 1 44 72186402 Printer Rail 1 45 72186086 Keyboard Housing Base 1 46 72187458 Harness Main pcb to interface 1 47 180947 Door 1 48 173248 Harness Main pcb to printer 1 49 173596 Harness DC Power 1 50 167391 FOOT Long left 2 51 183021 Platter 1 52 182252 Harness Main PCB to keyboard 1 53 171790 Harness Segment Disp convert 1 54 72240536 Label roll c...

Страница 48: ...201468 SCREW M3X10 GB819 2 B6 72189609 SCREW M4X8 GB818 85 9 B7 72201473 SCREW M6X20 GB70 85 4 B8 72194324 NUT M4 2 B9 72201464 SCREW M2X6 GB67 2 B10 72201470 SCREW M4X5 21 B11 150684 CIRCLIPS 3 2 2 B12 102661 SPRING WASHERS 4 B13 72201469 SCREW M4X14 GB819 3 ...

Страница 49: ...Service Manual RU OHAUS Page 49 53 11 01 2010 Ohaus ...

Страница 50: ...ogramming layer C2 RU 72239244 Keyboard Programming layer U2 RU 72239241 Keyboard Operating layer C2 RU 72193827 Keyboard Rubber button padding C2 RU 72186581 Keyboard Rubber button padding U2 RU 72193829 Keyboard Touch pad Silicon C2 RU 72186580 Keyboard Touch pad Silicon U2 RU 72186985 Loadcell Assembly AMI 11 for 3 6kg RU 72186875 Loadcell Assembly AMI 22 for 12kg 6000e RU 72184997 Loadcell Ass...

Страница 51: ...RU 72176945 Platen Printer RU 72177034 Printhead Adaptor Printer RU 72177100 Lock Printer RU 72177102 Tear bar Assembly Printer RU 72177788 Printer head 54mm KPC 54 RU 72180157 Spacer Nylon Printerboard RU 72181182 Gap Sensor Assembly Printer RU 72181183 Take up sensor Assembly RU 72181184 Liner Rewinder Assembly Printer RU 72191432 Printer Assembly 2 label RU 72209419 sliding base printer bC bPro...

Страница 52: ...apter new changed canceled discription Front page Delete address telephone fax and internet add another page to last All Change seite to page Others Change as to RU requirements Edition Dec 09 V0 Chapter new changed canceled discription All Changed from bC RU service manual Only for RU U2 C2 scales ...

Страница 53: ...dance with local regulations at the collecting point specified for electrical and electronic equipment If you have any questions please contact the responsible authority or the distributor from which you purchased this device Should this device be passed on to other parties for private or professional use the content of this regulation must also be related Thank you for your contribution to enviro...

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