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CEBORA S.p.A.
1
- GENERAL INFORMATIONS ....................................................................................................................... 3
1.1
- Introduction. ................................................................................................................................................. 3
1.2
- General service policy. ................................................................................................................................. 3
1.3
- Safety informations....................................................................................................................................... 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. 283............................................................................................................ 4
3
- MAINTENANCE............................................................................................................................................ 6
3.1
- Periodic inspection, cleaning. ....................................................................................................................... 6
3.2
- Operating sequence....................................................................................................................................... 6
3.2.1 - Power source commands and signaling. .................................................................................................... 6
3.2.2 - Power source operation.............................................................................................................................. 7
3.2.3 - MIG operation. .......................................................................................................................................... 8
3.3
- Troubleshooting............................................................................................................................................ 9
3.3.1 - The power source does not start, control panel off. ................................................................................... 9
3.3.2 - Power source powered, control panel on, fans (27) stopped.................................................................... 10
3.3.3 - Power source powered, display and signals does not indicate the correct values. ................................... 10
3.3.4 - The start button produces no effect.......................................................................................................... 11
3.3.5 - No gas flows from the torch..................................................................................................................... 11
3.3.6 - In MIG, the wire feeder motor (31) does not work.................................................................................. 12
3.3.7 - In open circuit operation, the output voltage is not regular. .................................................................... 13
3.3.8 - In resistive load operation, the output voltage is not regular. .................................................................. 14
3.3.9 - In MIG, arc difficult to strike, the arc goes out immediately after lighting. ............................................ 15
3.3.10 - When start button is released, the wire sticks to the workpiece (ineffective motor braking)................... 15
3.4
- Error codes and alarm signals..................................................................................................................... 16
3.4.1 - 02 - EEPROM error. ................................................................................................................................ 16
3.4.2 - 10 - Malfunction in the circuit to detect short-circuits at the output........................................................ 16
3.4.3 - 42 - Wire feeder motor (31) fault............................................................................................................. 16
3.4.4 - 52 - "trG" on display (M). Start button pressed during start-up............................................................... 16
allowable limits. ......................................................................................................................................... 16
3.4.6 - 54 - Short-circuit between torch and workpiece upon start-up. ............................................................... 17
3.4.7 - 56 - Short-circuit at the output lasts too long (max. allowable time = 1 sec.).......................................... 17
3.4.8 - 57 - Wire feeder motor (31) current too high........................................................................................... 17
3.4.9 - 61 - Mains voltage lower than minimum limit......................................................................................... 18
3.4.10 - 62 - Mains voltage higher than maximum limit....................................................................................... 18
3.4.11 - 73 - "tH" on display (M), "0" on display (N) = output diode temperature excessive. ............................. 18
3.4.12 - 99 - "OFF" on display (M). Incorrect mains voltage (machine shut off)................................................. 18
4
- COMPONENTS LIST................................................................................................................................... 19
4.1
- Power source art. 283 : see file ESP283.pdf enclosed at the end of the manual......................................... 19
4.2
- Components table: see file ESP283.pdf enclosed at the end of the manual................................................ 19
4.3
- Spare parts list. ........................................................................................................................................... 19
5
- ELECTRICAL DIAGRAMS ........................................................................................................................ 20
5.1
- Power source art. 283 : see file SCHE283.pdf enclosed at the end of the manual...................................... 20
5.2
- Waveforms. ................................................................................................................................................ 20
5.2.1 - Wire feeder motor (31) voltage during correct braking (par. 3.3.10)....................................................... 20
5.2.2 - Wire feeder motor (31) voltage during incorrect braking (par. 3.3.10). .................................................. 20
5.3
- Power board (32), code 5.602.280/B. ......................................................................................................... 21
5.4
- Control board (29), code 5.602.269/A. ....................................................................................................... 22
3.302.233
CONTENTS
2
22/09/2008
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