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KERN & Sohn GmbH

 

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

Tel:  +49-[0]7433- 9933-0 
Fax: +49-[0]7433-9933-149 
Internet: www.kern-sohn.com 
 

 
 

Service manual 
Precision balance 

 

 

 

KERN PKP / PKS 

                  

 

                    

 

 
 

 

 

 

 

 

 
 

 

 

 

 

 

 

 

 

 

PKP_PKS-SH-e-1210 

 

Version 1.0 
1/2012 
GB 

Summary of Contents for PKP

Page 1: ...bH Ziegelei 1 D 72336 Balingen E Mail info kern sohn com Tel 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www kern sohn com Service manual Precision balance KERN PKP PKS PKP_PKS SH e 1210 Version 1 0 1 2012 GB ...

Page 2: ...s 1 Basic Information 3 2 Introduction 3 3 Menu Map 4 4 Troubleshooting 5 5 Adjustment 6 6 Service Menu 7 6 1 How to Enter the Service Menu 7 6 2 Factory Reset 8 6 3 Factory Adjustment 8 6 4 Linearity Adjustment 10 6 5 Geo Value 12 6 6 Serial Number 13 6 7 Clear Passwords 14 6 8 Remark 14 7 Electronics 15 ...

Page 3: ...re parts should be used Das Gerät darf nur von geschultem oder beruflich ausgebildetem Fachpersonal z B eichrechtlich anerkannter Instandsetzer repariert werden Die Serviceanleitung ist bindend für Reparaturen Das Gerät muss nach erfolgter Reparatur wieder in den Originalzustand zurückversetzt werden Es dürfen nur Originalersatzteile verwendet werden 2 Introduction This service manual covers the P...

Page 4: ...4 PKP_PKS SH e 1210 3 Menu Map ...

Page 5: ...upply interrupted The weight display changes continually Draught air movement Table floor vibrations The weighing plate is in contact with foreign matter Electromagnetic fields static charging choose different location switch off interfering device if possible The weighing result is obviously incorrect The balance display is not set to zero Adjustment is no longer correct Great fluctuations in tem...

Page 6: ...ed to carry out adjustment as near as possible to the balance s maximum weight 1 Turn ON the balance 2 Press the MENU key Confirm Adjust by pressing the OK key to start the adjustment procedure 3 The display appears 4 Press the STRT key After a short time the display appears 5 Now set one of the required adjusting weights in the centre of the weighing plate 6 After a short time balance will return...

Page 7: ... Menu 6 1 How to Enter the Service Menu 1 Turn ON the balance 2 Press the MENU key 3 Press the key then select Service and confirm with the OK key 4 The display appears 5 Enter the password 1 0 1 and finally confirm with the OK key ...

Page 8: ... 2 Factory Reset Reset the application settings to factory settings e g language basic settings etc by pressing the OK key to confirm Factory reset 6 3 Factory Adjustment 1 Select Factory adjust and confirm with the OK key ...

Page 9: ...utomatically Please wait until the display appears the stability mark 3 Now enter the Service Menu and select Factory adjust again place the maximum weight on the weighing pan and after that select R Weight adjust and confirm with the OK key 4 Balance measuring for approx 1 minute 5 After that the display appears the stability mark 6 Remove the weight ...

Page 10: ...lance readings in all measuring points In case of differences make a note 2 Enter the Service Menu select Linear and confirm with the OK key 3 The display appears the first linearity point e g Select Deviat and confirm with the OK key 4 Enter the difference in digit e g minus 5 digit and confirm with the BACK key ...

Page 11: ...d above 6 To store the new deviation of the correction points press the SAVE key The balance will return into weighing mode automatically Information If there is a positive difference e g 2000 6g 6 digit you should subtract this difference to the stored value e g 2000 0g 6d If there is a negative difference e g 1999 4g 6 digit you should add this difference to the stored value e g 2000 0g 6d ...

Page 12: ... of location only if the balance has not already been adjusted to the location in the factory To receive accurate measuring values it is recommended to adjust the balance with external weights according to chapter 5 Adjustment In this category you can set the value of gravitational acceleration without external weights and thus adapt the scale to local gravitational conditions Please only change t...

Page 13: ...ory you can view or change the balance serial number The number was assigned to it in the factory and should never be altered It is only necessary to change this number after replacing the main board The serial number is given on the balance model label ...

Page 14: ...e 1 Select Clear Password and press the OK key 2 To clear all passwords press the SAVE key The balance will return into weighing mode automatically 6 8 Remark Please notice the categories Temp adjust Creep and Startup creep were configured and used only in our production line Therefore it is not recommended to use them ...

Page 15: ...PKP_PKS SH e 1210 15 7 Electronics Load cell LCD JTAG Accumulator 9 10V Ground Ground Batt Power supply Keyboard overlay RXD TXD GND RS 232 IN EX IN EX OUT SIG OUT SIG Shield Temp Sensor Temp sensor ...

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