Cebora SOUND MIG 2035/M Pulse Service Manual page 3

Table of Contents

CEBORA S.p.A.

3.4

- Error codes and alarm signals..................................................................................................................... 28

3.4.1 - 01 - Internal RAM error........................................................................................................................... 28

3.4.2 - 02 - EEPROM error. ................................................................................................................................ 28

3.4.3 - 10 - Malfunction in the circuit to detect short-circuits at the output........................................................ 28

3.4.4 - 14 - Microprocessor supply voltage error on control board (27). ............................................................ 28

3.4.5 - 20 - Absence of interlock signal on power board (26)............................................................................. 28

3.4.6 - 25 - Malfunction on the EPLD bus in the control board (27). ................................................................. 28

3.4.7 - 30 - Incorrect setting of the minimum current threshold on the control board (27)................................. 29

3.4.8 - 42 - Error in the signal of the motor encoder (401). ................................................................................ 29

3.4.9 - 52 - Start button pressed during start-up.................................................................................................. 29

3.4.10 - 53 - Start button pressed while resetting from stop due to temperature beyond allowable limits or open

wire coil cover......................................................................................................................................... 29

3.4.11 - 54 - Short-circuit between torch and workpiece upon start-up. ............................................................... 29

3.4.12 - 56 - Short-circuit at the output lasts too long (max. allowable duration = 1 sec.).................................... 30

3.4.13 - 60 - Current too high beyond the maximum allowable limits (250 A). ................................................... 30

3.4.14 - 73 - Display (G) indicates OPn = diode group (56) high temperature. .................................................... 30

3.4.15 - 80 - Display (G) indicates OPn = wire coil cover open. .......................................................................... 30

3.4.16 - 74 - Display (G) indicates tH = igbt high temperature............................................................................. 31

3.4.17 - 99 - Display (G) shows OFF = incorrect mains voltage signal. ............................................................... 31

- COMPONENTS LIST................................................................................................................................... 32

4.1

- Power source art. 285 : see file ESP285.pdf enclosed at the end of the manual......................................... 32

4.2

- Components table: see file ESP285.pdf enclosed at the end of the manual................................................ 32

4.3

- Spare parts list. ........................................................................................................................................... 32

- ELECTRICAL DIAGRAMS ........................................................................................................................ 33

5.1

- Power source art. 285 : see file SCHE285.pdf enclosed at the end of the manual...................................... 33

5.2

- Waveforms. ................................................................................................................................................ 33

5.2.1 - Transformer (30) secondary open-circuit voltage (par. 3.3.7). ................................................................ 33

5.2.2 - PWM1 and PWM2 signals for igbt command on power board (26) (par. 3.3.7). .................................... 33

5.2.3 - Wire feeder motor (401) voltage during correct braking (par. 3.3.10)..................................................... 34

5.2.4 - Wire feeder motor (401) voltage during incorrect braking (par. 3.3.10). ................................................ 34

5.2.5 - Mains voltage present signal (par. 3.4.17). .............................................................................................. 34

5.3

- Filter board (47) code 5.602.164. ............................................................................................................... 35

5.4

- Power supply (25) board code 5.602.163. .................................................................................................. 35

5.5

- Power board (26) code 5.602.162............................................................................................................... 36

5.6

- Driver-igbt board code 5.600.757............................................................................................................... 37

5.7

- Control board (27) code 5.602.157............................................................................................................. 37

5.8

- Panel board (41) code 5.602.178. ............................................................................................................... 39

5.9

- Push-pull board (43) code 5.602.171.......................................................................................................... 40