KERN RXB 15K5HM Service Manual Download Page 1 | Manualshive

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KERN RXB 15K5HM Service Manual Download Page 1

KERN & Sohn GmbH

Ziegelei 1
D-72336 Balingen-Frommern
E-Mail: [email protected]

Tel: 0049-[0]7433- 9933-0
Fax: 0049-[0]7433-9933-149
Internet: www.kern-sohn.com

GB

Service Manual

Price Computing Scale

Page 2

KERN RXB

Version 1.0

01/2007

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Summary of Contents for RXB 15K5HM

Page 1: ...H Ziegelei 1 D 72336 Balingen Frommern E Mail info kern sohn com Tel 0049 0 7433 9933 0 Fax 0049 0 7433 9933 149 Internet www kern sohn com GB Service Manual Price Computing Scale Page 2 KERN RXB Version 1 0 01 2007 ...

Page 2: ...ngs 12 4 2 4 F3 External calibration 14 4 2 5 F6 Currency selection 15 5 Error messages 16 6 To check internal value 16 7 Troubleshooting 17 7 1 Scale does not turn on 17 7 2 Cannot use full capacity 17 7 3 Display OL and buzzer beep after turn on 17 7 4 Missing unclear segment of the LCD display 17 7 5 The span value internal value is unstable 18 7 6 Charging control lamp is always red or scale d...

Page 3: ...Explanation of display Operator display balance Weight Basic price 0 0 0 0 0 0 0 0 0 0 Loading status display Sales price Secondary display on customer page Weight Basic price Sales price RXB SH e 0710 3 ...

Page 4: ...eight Æ0Å Zeroing display Display basic price Here enter your basic price in kg or 100 g via keyboard The basic price can be switched to kg or 100 g The arrows next to the symbols show kg Basic price in kg 100 g Basic price in 100 g Display sale price Here the sales price is displayed in Euro The arrows next to the symbols show FIX Stored basic price FIX mode on 4 RXB SH e 0710 ...

Page 5: ...nter basic price PLU Enter 00 Press key then 1 basic price in kg Press key then 2 basic price in 100 g Delete total basic price Delete last input of basic price Zero key range 0 2 max Taring key FIX Store set basic price FIX Mode on off RXB SH e 0710 5 ...

Page 6: ...uration routines SWA 1 jumper is located adjacent to the RF screening cover of the main PCB Place your balance upside down and remove seal cap For calibration and configuration routines the jumper SWA1 must be set to position ADJ Sealing mark unlocking switch Position of unlocking switch Status To the right Unlock the balance for calibration process ADJ To the left Verification position calibratio...

Page 7: ...essing it when balance is turned off Whilst doing this turn on balance Keep pressing down the key until the balance counts down to zero and the first function F0 appears Further functions F0 F9 are selected by pressing the TARE key Exit menu by pressing the key balance returns to weighing mode RXB SH e 0710 7 ...

Page 8: ... documented Press TARE key F5 Not documented Press TARE key F6 Select base currency Press TARE key F7 Not documented Press TARE key F8 Not documented Press TARE key F9 Not documented Remark F0 F1 F2 F3 can only be set while SWA1 is in the ADJ position F6 can be altered with SWA1 in LOCK or ADJ positions Exit menu by pressing the key balance returns to weighing mode 8 RXB SH e 0710 ...

Page 9: ...4 2 1 F0 Program Version number Weight Basic price Sales price Program Version No Press key to continue the next function setting Press key to return to the weighing mode RXB SH e 0710 9 ...

Page 10: ...ss the key LCD displays as following Weight Basic price Sales price xxxxxx Initial point Span value with weighing pan o Press the key to memorize the initial value LCD displays as following Weight Basic price Sales price xxxxxx The first point Span value with weighing pan put 1st weight on the weighing pan After the scale is stable place the first weight on the weighing pan e g 10kg p Press the ke...

Page 11: ...as following s Weight Basic price Sales price xxxxxx The Third point Span value with weighing pan put the 3rd weight on the weighing pan After the scale is stable place the third weight e g 10kg 10kg 10kg on the weighing pan t Press the key to memorize the third point of linearity calibration LCD displays as following Weight Basic price Sales price u Take the weights off the weighing pan before th...

Page 12: ...ctivation key see chapter 4 1 and input the number into bits a g Ref to Appendix 1 see chapter 4 2 3 1 Shift to left Shift to right Weight Basic price Sales price Ñ Ò a b c d e f g h i j 0 fix p Press the menu activation key LCD displays as following Weight Basic price Sales price Ñ Ò q Press the menu activation key the scale resets back to zero automatically The specification procedure is complet...

Page 13: ...set RXB 30K10M RXB 30K10HM RXB 15K5M RXB 15K5HM see chpt 4 2 3 point 06221 10000 00000 05221 10000 00000 2 F2 03000 00000 00001 15000 00000 00001 3 F6 Euro Euro RXB 6K2M RXB 6K2HM RXB 3K1M RXB 3K1HM see chpt 4 2 3 point 04221 10000 00000 02221 10000 00000 2 F2 06000 00000 00001 03000 00000 00001 3 F6 Euro Euro Attention Check these settings before carrying out verification RXB SH e 0710 13 ...

Page 14: ...here are no objects on the weighing plate Operate menu activation key See chpt 4 1 stop check is carried out then the weight value of the calibrating weight will appear on the weight display Weight Basic price Sales price 3 000 maximum load Kg weighing unit XXXXXX internal value Carefully place adjusting weight in the centre of the weighing plate Operate menu activation key See chpt 4 1 Weight Bas...

Page 15: ... price Sales price Previous value Press the key to select Euro Press the menu activation key to confirm the setting procedure is completed To abort the setting press the key to exit the setting mode NOTICE Do not change any parameters in menus F2 or F6 The default setting F6 Euro must be preset RXB SH e 0710 15 ...

Page 16: ...oad cell is out of order You have to check the load cell If it is necessary replace it 6 To check internal value n Press key o CEntr or appears on the display During this display press the key immediately p The display will show the internal value q To exit the internal value mode press the key A D value 0 220 000 320 000 524 288 E7 Zero range at switching on E6 Normal condition Suggestion Interna...

Page 17: ... no changing the load cell is damaged and you have to change it p Check the overload screws If all are o k you have to check re enter the specification setting 7 3 Display OL and buzzer beep after turn on n Check the wire of the load cell and the connection between load cell and main board o Check the load cell If necessary replace it 7 4 Missing unclear segment of the LCD display n Check the pins...

Page 18: ...he transformer AC 10V If necessary replace it p Measure the output voltage of the bridge regulator DC 10V If necessary replace it q Measure the IC TIP31C at Q1 1st and 2nd pin must be at 6 8V If necessary replace it r Check zener diode D2 and resistor R17 If necessary replace it s Measure the IC LM723 at U4 3rd pin must be at 6 8 1 15V 4th pin must be at 3 2 3 4V 5th pin must be at 3 7 4 2V and 6t...

Page 19: ... panel FP21FD00EX03 Rear panel ZKBE120000007 Keypad circuit LCAM00501201 Load cell C3 PCFD02100300 Rear PCB PC0226000002 Main board PF0FD0000311 FD plastic pan PF1FD2300310 FD stainless steel pan ZPMN100000001 Adjustable feet PMAA23100000 Level approx 15mm t 8mm ZPMB100000018 Battery cover ZPMA100000104 Upper housing ZPMA100000106 Lower housing TM0110006014 Transformer 115 230V 10V WCC018302220 Po...

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