Table Of Contents - Cebora SOUND MIG 3840/T Pulse Service Manual

Power source + cooling unit + wire feeder

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Instruction manual (48 pages)

Table of Contents

CEBORA S.p.A.

- GENERAL INFORMATION.......................................................................................................................... 4

1.1

- Introduction. ................................................................................................................................................. 4

1.2

- General service policy. ................................................................................................................................. 4

1.3

- Safety information. ....................................................................................................................................... 4

1.4

- Electromagnetic compatibility...................................................................................................................... 4

- SYSTEM DESCRIPTION .............................................................................................................................. 5

2.1

- Introduction. ................................................................................................................................................. 5

2.2

- Technical specifications................................................................................................................................ 5

2.3

- Description of SOUND MIG 3840/T Pulse system (art. 287). ..................................................................... 5

2.4

- Description of MIG3840/T Pulse power source. .......................................................................................... 6

2.5

- Description of WF4-P Wire Feeder. ............................................................................................................. 8

2.5.1 - Accessories table........................................................................................................................................ 9

2.6

- Description of GR54 Cooling Unit............................................................................................................... 9

- MAINTENANCE.......................................................................................................................................... 10

3.1

- Periodic inspection, cleaning. ..................................................................................................................... 10

3.2

- Welding system fittings and connectors. .................................................................................................... 10

3.3

- Control panel commands and signals. ........................................................................................................ 11

3.4

- Operating sequences. .................................................................................................................................. 12

3.4.1 - Welding system operation........................................................................................................................ 12

3.4.2 - MIG mode................................................................................................................................................ 13

3.4.3 - TIG operation........................................................................................................................................... 14

3.4.4 - MMA mode. ............................................................................................................................................ 15

3.5

- Troubleshooting.......................................................................................................................................... 16

3.5.1 - The power source does not start, control panel off. ................................................................................. 16

3.5.2 - Power source powered, control panel on, fan (512) stopped. .................................................................. 19

3.5.3 - System powered, display and signals do not show the correct values. .................................................... 20

3.5.4 - The start button produces no effect.......................................................................................................... 21

3.5.5 - Some signals from connector for accessories (BB) do not work. ............................................................ 23

3.5.6 - System powered, no gas flows from the torch. ........................................................................................ 24

3.5.7 - System powered, the wire feeder motor does not work. .......................................................................... 25

3.5.8 - In open circuit operation, the output voltage is not regular. .................................................................... 26

3.5.9 - In resistive load operation, the output voltage is not regular. .................................................................. 29

3.5.10 - In MIG or TIG mode, arc difficult to strike, the arc shuts off immediately after striking (stuttering start-

up). .......................................................................................................................................................... 31

3.5.11 - In synergic mode, the welding quality is not satisfactory, the wire speed is not suited to the output

current. .................................................................................................................................................... 31

3.5.12 - In MMA, arc difficult to strike and/or unsatisfactory welding quality. ................................................... 31

3.5.13 - In MIG mode, when the start button is released, the wire sticks to the workpiece (ineffective motor

braking). .................................................................................................................................................. 32

3.5.14 - Cooling unit GR54 does not work correctly. ........................................................................................... 33

3.6

- Kit Driver + igbt, code 5.710.511 replace instructions............................................................................... 35

3.302.191

CONTENTS

15/02/05