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1
GENERAL INFORMATION. ..................................19
1.1
. ................................................................19
1.2
1.3
1.4
2
SYSTEM DESCRIPTION. ........................................19
2.1
i
. ................................................................19
2.2
2.3
. 386
2.4
2.5
3
MAINTENANCE. ......................................................22
3.1
EN
3.2
3.3
t
3.3.1
The power source does not start, control panel off. ..............22
3.3.2
Fans (44) stopped. ..................................................................25
3.3.3
Control panel doesn't show correct values. ........................... 25
3.3.4
Start button produces no effect. .............................................25
3.3.5
Some signals from (8) connector do not work. .....................26
3.3.6 No gas flows from the torch. ..................................................26
3.3.7
The wire feeder motor does not work. ................................... 27
3.3.8
Open circuit output voltage not regular. ................................28
3.3.9
striking. .................................................................................. 29
3.3.12 Cooling unit doesn't work correctly. ..................................... 29
3.4
. .................................................................30
3.4.1
-02- EEprom error. ................................................................. 30
power board (56). ............................................................ 30
3.4.4
current at power source output. ...................................... 30
supply voltage error on power board (56). ..................... 31
tion. ................................................................................. 31
3.4.7
-30- Minimum current threshold incorrect setting. .............. 31
error (11). ........................................................................ 31
to temperature beyond limits or carter opened. ........... 31
torch and workpiece upon start-up. ................................ 31
18
. ................................................19
. .....................................................19
. ...................................19
...............................................19
388
. .................................19
,
. ..................................21
. ..................................................21
,
. ......................................22
,
. .........................................................22
CONTENT
3.4.11 -56- Short-circuit at the output lasts too long. ....................... 31
feeder motor (11) current. ............................................... 32
(phase lack). .................................................................... 32
perature beyond the IGBT group limits. ........................ 32
circuit low pressure. ....................................................... 32
not connected. ................................................................. 32
3.4.19 -80- "Door opened" on display (1). Wire feed unit guard
open. ............................................................................... 32
age (machine shutdown). ................................................ 33
. ..........22
4
COMPONENTS LIST ...............................................50
4.1
. 386
4.2
. 386
4.3
. 388
4.4
. 388
4.5
. 388
4.6
. 388
4.7
4.8
5
ELECTRIC DIAGRAMS ..........................................51
5.1
. 386
5.2
. 388
5.3
. 388
5.4
5.5
5.6
5.7
.................................50
.................................50
. 1681.00
. 1681.00
.................................................51
.................................................51
....................................................51
. 1681.00 ..............................51
(47),
. 5602541. ..........52
(56),
. 5602540. ..................................54
(47),
. 5602542. ..................................58
.........................50
.........................50
..................50
.........................50
......51
..............51
3302339/A
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