31
9.5) FRONT PANEL BOARD 15.14.246
DESCRIPTION
This board contains the switch to select MMA or TIG mode, the power supply led (green), the thermal protection led (yellow) and the po-
tentiometer to adjust the output current beetween 0A and 145A.
INSTRUMENTS REQUIRED
- Multimeter
- Set of pipe spanners for exagonal nuts
- Set of screwdrivers
BOARD
P2
P1
SW1 SW2 SW3 PT1 PT2 PT3
Functional part Generator/
mode
Component Test Point Value Type of
measure
Note
Switch OFF SW SW1 SW2
SW2 SW3
0ohm
0ohm
In MMA mode
In TIG mode
Potentiometer OFF PT PT1 PT3
PT1 PT2
PT2
PT3
2.5kohm
Variable between
0 and 2.5 kOhm
by rotating the
potentiometer.
Variable between
0 and 2.5 kOhm
by rotating the
potentiometer.
Note:
* Unless specified otherwise, all the measurements can suffer a variation + 10%
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