Selco Genesis 200 AC-DC Repair Manual page 24

9.2.4) BOARD 15.14.250 "WELDING CURRENT CONTROL SECTION" (fig. 20)
Analogue adjustment circuits: control welding current (relevant logic system is located in panel board 15.14.236).
WARNING: before taking measurements described, wait 5 minutes after switching off the power source and - with the
machine unplugged - close solder-jumper K2!
Note: solder-jumper K2 enables a limitation of the power source's open circuit voltage OCV, and is normally open (can be fac-
tory set only).
Power source / Mode
ON
ON / MMA
ON / MMA
(NO LOAD)
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Unless otherwise specified, all measurements sholud be taken with the boards in their slots and connected accordingly
LED / Test point Value
L 12 OFF
L 11 ON
TP26 TP15 - 4.3Vdc
Notes
Thermal cutout
"Pot" signal
Voltage feedback
Description of boards