Table Of Contents - KERN PNJ Service Manual

Precision balances

Table of Contents

Content

Basic Information ........................................................................................... - 3 -

Introdution ...................................................................................................... - 3 -

Keyboard overview ........................................................................................ - 4 -

3.1

Overview of display ............................................................................................................... - 5 -

3.2

Removing the case ................................................................................................................ - 6 -

3.3

Attaching the case ................................................................................................................. - 7 -

Trouble shooting table .................................................................................. - 8 -

4.1

Initial inspection .................................................................................................................... - 9 -

Troubleschooting procedure ...................................................................... - 10 -

Inspection of electrical section (AJDP circuit board) ................................ - 11 -

Adjustment ................................................................................................... - 12 -

7.1

Adjustment with internal weight (only models PNJ) ........................................................ - 12 -

7.2

Adjustment with external weight (only models PNS) ...................................................... - 13 -

7.3

CALIBRATION OF BUILT-IN WEIGHT (REF CAL) .............................................................. - 15 -

7.4

Resetting address data and linearity calibration .............................................................. - 17 -

7.5

Resetting address data (coefficients) ................................................................................ - 18 -

7.5.1

Location for where to attach ..................................................................................... - 18 -

7.5.2

How to read the data sheet ....................................................................................... - 18 -

7.6

Linearity calibration ............................................................................................................ - 19 -

7.7

Corner Error Adjustment .................................................................................................... - 20 -

7.8

Overload adjustment ........................................................................................................... - 22 -

Replacing the AJDP circuit board .............................................................. - 23 -

8.1

How to remove the AJDP circuit board ............................................................................. - 23 -

8.2

Install the AJDP circuit board ............................................................................................ - 25 -

Removing the mechanism unit ................................................................... - 27 -

PNJ_PNS-SH-e-2011

KERN PNJ/PNS

Version 1.1 03/2020

Servicemanual

- 2 -

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