Table Of Contents - KERN MWA NM Series Service Manual

GB
Contents
1 Basic Information........................................................................................... 3
2 Appliance overview ....................................................................................... 4
3 Keyboard overview ........................................................................................ 7
4 Overview of display ....................................................................................... 8
4.1 Balance assembly and installation ............................................................................................. 9
4.2 Mains connection ........................................................................................................................ 9
4.3 Battery operation is possible by obtaining an optional battery power pack. .............................. 9
4.4 Battery operation ...................................................................................................................... 10
4.5 Insert batteries .......................................................................................................................... 10
5 Menu ............................................................................................................. 11
5.1 Navigation in the menu ............................................................................................................. 11
5.2 Menu overview ......................................................................................................................... 12
6 Data output RS 232 ...................................................................................... 14
6.1 Pin allocation of balance output bushing: ................................................................................. 14
6.2 Technical data .......................................................................................................................... 14
7 Verification ................................................................................................... 15
7.1 Verification validity period (current status in G) ........................................................................ 15
8 Adjustment ................................................................................................... 16
8.1 Procedure: ................................................................................................................................ 17
9 MAINTENANCE ............................................................................................ 18
9.1 General ..................................................................................................................................... 18
9.2 Error Codes .............................................................................................................................. 18
9.3 Determine the Problem............................................................................................................. 19
9.4 Check the Load cell .................................................................................................................. 19
9.5 Checking the different Voltages ............................................................................................... 19
9.6 Trouble Shooting ...................................................................................................................... 21
10 Parts Replacement ....................................................................................... 22
10.1 Replace load cell ...................................................................................................................... 22
10.2 Replace the mainboard ............................................................................................................ 23
11 DRAWING ..................................................................................................... 24
2
KERN MWA_NM
Version 1.0 07/2018
Servicemanual
MWA_NM-SH-e-1810