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CEBORA S.p.A.
1
- GENERAL INFORMATION.......................................................................................................................... 3
1.1
- Introduction. ................................................................................................................................................. 3
1.2
- General service policy. ................................................................................................................................. 3
1.3
- Safety information. ....................................................................................................................................... 3
1.4
- Electromagnetic compatibility. ..................................................................................................................... 3
2
- SYSTEM DESCRIPTION. ............................................................................................................................. 4
2.1
- Introduction. ................................................................................................................................................. 4
2.2
- Technical specifications. ............................................................................................................................... 4
2.3
- Description of power source art. 2154. ......................................................................................................... 4
3
- MAINTENANCE. ........................................................................................................................................... 6
3.1
- Periodic inspection, cleaning. ....................................................................................................................... 6
3.2
- Sequence of operations (fig. 3.2.1). .............................................................................................................. 6
3.2.1 - Power source commands and signals. ........................................................................................................ 6
3.2.2 - Starting the power source. .......................................................................................................................... 7
3.3
- Troubleshooting. ........................................................................................................................................... 9
3.3.1 - The power source does not start, led (C) on control panel unlit. ............................................................... 9
3.3.2 - Power source powered, fan (34) stopped. ................................................................................................ 11
3.3.3 - Power source powered, the start button produces no effect. .................................................................... 11
3.3.4 - In open circuit operation, the voltage at the DC-capacitors (24) is not regular. ...................................... 12
3.3.5 - In resistive load operation, the output voltage is not regular. .................................................................. 13
3.3.6 - In actual working conditions (thus with high currents), the welding quality is not satisfactory. ............. 14
3.4
- Error codes. ................................................................................................................................................. 15
3.4.1 - E1 - Transformer (31) temperature above limits. ..................................................................................... 15
3.4.2 - E2 - Scr (3) short-circuited. ..................................................................................................................... 15
3.4.3 - E3 - Dc voltage on the DC-capacitors (24) irregular. .............................................................................. 15
3.4.4 - E4 - DC-capacitor (24) irregular charge. ................................................................................................. 15
3.4.5 - E5 - DC-capacitors (24) irregular discharge. ........................................................................................... 15
4
- COMPONENTS LIST. .................................................................................................................................. 16
4.1
- Power source parts drawing. ....................................................................................................................... 16
4.2
- Gun parts drawing. ..................................................................................................................................... 17
4.3
- Parts list. ..................................................................................................................................................... 18
5
- ELECTRICAL DIAGRAMS. ....................................................................................................................... 19
5.1
- Power source art. 2154. .............................................................................................................................. 19
5.2
- Waveforms. ................................................................................................................................................ 20
5.2.1 - Output voltage upon scr (3) engagement (par. 3.3.5). .............................................................................. 20
5.3
- Power board (12) code 5.602.169. .............................................................................................................. 21
5.4
- Control board (2) code 5.602.168. .............................................................................................................. 23
3.302.311
CONTENTS
2
23/01/2015
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