Cebora PLASMA SOUND PC 110/T Manual De Servicio página 37

CEBORA S.p.A.
GENERAL INFORMATION ........................................................................................................................... 38
1
Introduction ................................................................................................................................................. 38
1.1
General warnings ....................................................................................................................................... 38
1.2
Safety information ...................................................................................................................................... 38
1.3
Electromagnetic compatibility .................................................................................................................. 38
1.4
DESCRIPTION OF THE SYSTEM ............................................................................................................... 39
2
Introduction ................................................................................................................................................. 39
2.1
Technical specifications ............................................................................................................................ 39
2.2
Description of power source Item No 336 ............................................................................................. 39
2.3
– MAINTENANCE. ......................................................................................................................................... 44
3
- Periodic inspection, cleaning. ................................................................................................................ 44
3.1
- Operating sequence (fig. 3.2.1). ............................................................................................................ 44
3.2
3.2.1 - Power source controls and signals. ................................................................................................... 44
3.2.2 - Power source operation. ..................................................................................................................... 45
- Troubleshooting. ...................................................................................................................................... 47
3.3
3.3.1 - The power source does not start, LCD display (N) off. ................................................................... 47
3.3.2 -Power source powered up, LCD display board (N) on, fan (28) off. .............................................. 49
3.3.3 - The start pushbutton produces no effect. ........................................................................................ 50
3.3.4 - No gas emerges from the torch. ........................................................................................................ 51
3.3.5 - Pushbutton pressed, pilot arc does not ignite ................................................................................. 52
3.3.6 - Irregular pilot arc ignition, unstable pilot arc. ................................................................................... 53
- Error messages on LCD ......................................................................................................................... 54
3.4
3.4.1 Err 30: [no message displayed on LCD] .............................................................................................. 54
3.4.2 Err 50: [Torch protection disengaged]. ................................................................................................ 54
3.4.3 Err 51: [No torch recognition at power up] .......................................................................................... 54
3.4.4 - Err 53: [Start button pressed at power up]. ...................................................................................... 55
3.4.5 - Err 55: [Electrode end-of-life detection] ............................................................................................ 55
3.4.6 Err 67 [AC supply voltage out of range]. .............................................................................................. 55
3.4.7 Err 74: [High temperature of the IGBT group]. .................................................................................... 56
3.4.8 Err 78: [Gas inlet pressure low]. ............................................................................................................ 57
3.4.9 Err 79:[Gas inlet pressure high]. ............................................................................................................ 57
3.4.10 Err 80: [no message displayed on LCD] .............................................................................................. 57
3.4.11 Err 14: [no message displayed on LCD] .............................................................................................. 57
COMPONENTS LIST .................................................................................................................................... 58
4
Exploded view ............................................................................................................................................ 58
4.1
- Components table ................................................................................................................................... 58
4.2
WIRING DIAGRAMS ..................................................................................................................................... 59
5
Power source Item No 33600 ................................................................................................................... 59
5.1
Power source Item No 33695 ................................................................................................................... 59
5.2
- Filter board (7) code 5602595. .............................................................................................................. 60
5.3
- IGBT board (30) code 5602085. ............................................................................................................ 62
5.4
- Secondary winding board (32) code 5602210 .................................................................................... 63
5.5
- Panel board (57) code 5602083. ........................................................................................................... 64
5.6
- Control board (48) code 5602584. ........................................................................................................ 66
5.7
TESTING AN IGBT MODULE ...................................................................................................................... 68
6
Check for shorted IGBT ............................................................................................................................ 68
6.1
Turn on Q1, Q2 ........................................................................................................................................... 68
6.2
Turn off Q1, Q2 ........................................................................................................................................... 68
6.3
TESTING AN DIODE ISOTOP MODULE.................................................................................................... 69
7
Check for shorted diode ........................................................................................................................... 69
7.1
Check for good diode ................................................................................................................................ 69
7.2
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CONTENTS
37
10/07/2019