Avery Berkel GM100 Operating instructions

76103-677 Issue 2 C 04.03.2003
ENGLISH
GM series
Retail scales
GM100, GM200, GM300, GM400
Service Instructions
Avery Berkel GM-100 GM-200 GM-300 GM-400 Service and calibration Manual

GM retail scales - Service guide i
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1 Safety
1.1 Electrical installation 1–1
1.2 Risk of electric shock 1–1
1.3 Additional service precautions 1–2
1.4 Replacing batteries 1–2
1.5 Safe handling 1–2
1.6 ESD handling precautions 1–2
2 Scale models
2.1 GM100 2–1
2.2 GM200 2–2
2.3 GM300 2–3
2.4 GM400 2–4
3 Installation
3.1 Kit list 3–1
3.2 Installation precautions 3–2
3.2.1 Installation location 3–2
3.2.2 Handling precautions 3–2
3.3 Levelling the scale 3–3
3.4 Cable management 3–4
3.5 Self service keyboard (GM300) 3–5
4Overview
4.1 Switches / external connections 4–1
4.2 Displays & Keys 4–2
4.2.1 Vendor front panel 4–2
4.2.2 Display 4–3
4.2.3 Keys 4–4

ii GM retail scales - Service guide
Contents
5 Service mode
5.1 Service mode overview 5–1
5.2 Entering service mode 5–2
5.2.1 Full service access 5–2
5.2.2 Restricted service access 5–3
5.3 Exit service mode 5–3
5.4 Navigating service menus 5–3
5.5 Diagnostics 5–4
5.5.1 Network test 5–5
5.5.2 Serial test 5–5
5.5.3 Diagnostic logs 5–6
5.6 Configuration 5–8
5.7 Country configuration 5–12
5.8 Calibration 5–15
5.9 Site gravity 5–17
5.10 Service PIN 5–18
5.11 Euro setup menu 5–19
5.11.1 Euro rate and Euro symbol 5–19
5.11.2 Euro wizard 5–20
5.12 Clone machine 5–22
5.13 Data clone 5–24
5.14 Label editor menu 5–25
5.15 Service setup 5–31
5.15.1 Printer setup 5–31
5.15.2 Initialise M/C 5–31
5.15.3 Currency text 5–33
6 Service procedures
6.1 Power up / Power down 6–1
6.2 Calibration 6–2
6.3 Top cover and cross 6–3
6.4 Left cover 6–4
6.5 Rear cover (GM100) 6–5
6.6 Customer display chassis 6–6
6.7 Front cover / vendor displays 6–7
6.7.1 Front cover (nose cone)
GM100, GM200, GM300 6–7
6.7.2 Vendor display & keyboard
GM100, GM200, GM300 6–8

Contents
GM retail scales - Service guide iii
6.8 Tower displays 6–9
6.8.1 GM200 display pod 6–9
6.8.2 GM300 self service keyboard 6–10
6.8.3 GM400 display pod 6–11
6.8.4 GM400 vendor display and keyboard 6–12
6.8.5 Column mounting (GM200, 300, 400) 6–13
6.9 Main board 6–14
6.10 Loadcell 6–15
6.11 Power supply 6–16
6.12 I/O board and chassis 6–17
6.13 Printer servicing 6–18
6.13.1 Printer chassis 6–18
6.13.2 Print head 6–19
7 Exploded views
7.1 GM100 Scale body 7–1
7.2 GM200 Scale body 7–5
7.3 GM300 Scale body 7–9
7.4 GM400 Scale body 7–13
7.5 Vendor display (GM100, GM200, GM300) 7–17
7.6 Vendor display (GM400) 7–19
7.7 Tower mounted POD (GM400) 7–21
7.8 Customer display (GM100) 7–23
7.9 Customer display (GM200) 7–25
7.10 Self service keyboard (GM300) 7–27
7.11 Printer assembly 7–29
7.12 Internal battery option 7–32
7.13 External battery option 7–33
8 Schematic / Wiring diagrams
8.1 GM100, 200 displays and keyboard 8–1
8.2 GM300 displays and keyboards 8–2
8.3 GM400 displays and keyboard 8–3
8.4 Data & power (no battery) 8–4
8.5 Data & power (with internal battery) 8–5
8.6 Data & power (with external battery) 8–6

iv GM retail scales - Service guide
Contents
9 Module information
9.1 Main board 9–1
9.1.1 Module layout 9–1
9.1.2 Pin outs 9–2
9.1.3 DIP switch settings 9–2
9.1.4 LED indications 9–3
9.1.5 Hardware compatibility 9–3
9.1.6 Special precautions 9–3
9.2 Display PCB 9–4
9.2.1 Module layout 9–4
9.3 Membrane keyboard 9–6
9.3.1 Module layout 9–6
9.4 I/O Board 9–7
9.4.1 Module layout 9–7
9.4.2 Hardware compatibility 9–7
9.4.3 Special precautions 9–7
9.5 PSU 9–8
9.5.1 Module layout 9–8
9.5.2 Pin Outs 9–9
9.5.3 Hardware compatibility 9–9
9.5.4 Special precautions 9–9
9.6 Spine PCB 9–10
9.6.1 Module layout 9–10
9.6.2 Pin outs 9–11
9.6.3 Hardware compatibility 9–12
9.6.4 Special precautions 9–12
9.7 Memory expansion board (optional) 9–13
9.7.1 Module Layout 9–13
9.7.2 Precautions/Restrictions 9–13
9.8 Ethernet card (optional) 9–14
9.8.1 Module layout 9–14
9.8.2 Precautions/Restrictions 9–14
9.9 T103 Loadcell 9–15
9.9.1 Module layout 9–15
9.10 Battery inverter / charger 9–16
9.10.1 Module layout 9–16
9.10.2 Pin Outs 9–17
9.10.3 Dip switch settings 9–18
9.10.4 Hardware compatibility 9–18
9.10.5 Special precautions 9–18

Contents
GM retail scales - Service guide v
10 Networks
10.1 Introduction 10–1
10.2 Typical network 10–2
10.2.1 2 scale network 10–2
10.2.2 Multi-scale network 10–2
10.2.3 Groups of scales 10–3
10.3 Network protocol 10–4
10.4 Network setup 10–4
10.5 Wiring / terminations 10–8
10.6 Backup server operation 10–9
10.7 Local mode 10–11
10.8 Using the network map 10–12

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