Kern DS, FCBxxB, FKB M, 573xxNM, KBxxN-M Service Manual

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Kern DS, FCBxxB, FKB M, 573xxNM, KBxxN-M Service Manual

KERN & Sohn GmbH

Ziegelei 1

Tel: +49-[0]7433- 9933-0

D-72336 Balingen

Fax: +49-[0]7433-9933-149

E-Mail: info@kern-sohn.com

Internet: www.kern-sohn.com

 

 

Service manual

Precision balances

KERN 572 / 573xxNM

Version 5.1

KBxxN(M) / DS

4/2009

FCBxxB / FKB (M)

GB

572-SH-e-0951

KERN 572 / 573xxNM / KBxxN(M)

GB DS / FCBxxB / FKB (M)

Version 5.1 4/2009

Service Manual

Precision Balances

Table of Contents

1

Basic Information .......................................................................................................

3

2

Introduction.................................................................................................................

4

3

Keyboard Description ................................................................................................

4

4

Mode – Menu...............................................................................................................

5

5

Troubleshooting .........................................................................................................

6

6

Adjustment..................................................................................................................

7

 

6.1

Adjustment of non-verification balances.............................................................................

7

 

6.2

Adjustment of verification balances (KERN 573-NM; KB-NM; FKB-M) .............................

7

7

Factory Menu ..............................................................................................................

8

 

7.1

How to Enter the Factory Menu ............................................................................................

8

 

7.2

Display Contrast ....................................................................................................................

8

 

7.3

Factory Adjustment ...............................................................................................................

8

 

7.4

Automatic Linearity Adjustment...........................................................................................

9

 

7.5

Manual Linearity Adjustment................................................................................................

9

8

Electronics ................................................................................................................

10

 

8.1

Explanation and Connection of Main PCB ........................................................................

10

 

8.2

Layout of Main PCB .............................................................................................................

11

2

572-SH-e-0951

1Basic Information

Grundlegende Hinweise

The device must be repaired only by trained specialist staff or personnel with professional formation (such as a repair-specialist accredited by law concerning verification).

The service manual is obligatory for repair work.

After repair, original conditions of the device have to be restored. Only original spare parts should be used.

Instructions about conformity-evaluated scales:

Repair must be carried only at 100% compliance with the type approval. A violation of this specification will result in a loss of the type approval!

After successful repair the balance will have to be reverified before it can be used again in a statutorily regulated field.

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.

Hinweis zu konformitätsbewerteten Waagen:

Reparatur darf nur in 100% -iger Übereinstimmung mit der

Bauartzulassung erfolgen. Ein Verstoß gegen diese Vorgabe führt zum Erlöschen der

Bauartzulassung!

Nach erfolgreicher Reparatur muss eine Nacheichung erfolgen, um die Waage wieder im gesetzlich geregelten Bereich verwenden zu können.

572-SH-e-0951

3

2 Introduction

This service manual covers the 572, 573xxNM, KBxxN(M), DS, FCBxxB, FKB (M) series and is edited for the authorized servicing personnel.

Note all rights are reserved. Copying any part of this manual is prohibited without our permission.

3 Keyboard Description

Keyboard

ON / OFF

Print weighing result

in MODE: No / descending

in % and counting mode:

Form reference

in MODE: Yes / ascending

MODE configuration

Formula weighing

in MODE: to left Change g-pieces

Unit changeover

in MODE: to right

Tare

in MODE: back in weighing operation

4

572-SH-e-0951

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