KERN 572xxNM, KBxxNDS, KBxxMDS, FCBxxB, FKB Service Manual
...
KERN & Sohn GmbH
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 balances
KERN 572 / 573xxNM
Version 5.1
KBxxN(M) / DS
GB
FCBxxB / FKB (M)
4/2009
572-SH-e-0951
GB
KERN 572 / 573xxNM / KBxxN(M)
DS / FCB
xxB / FKB (M)
Version 5.1 4/2009
Service Manual
Precision Balances
2 572-SH-e-0951
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
572-SH-e-0951 3
1 Basic 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.
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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