Troubleshooting & repair, Main transformer test test procedure, Warning – Lincoln Electric WIRE-MATIC 255 SVM 119-A Manuel d'utilisation
Page 62
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F-11
TROUBLESHOOTING & REPAIR
F-11
WIRE-MATIC 255
MAIN TRANSFORMER TEST
TEST PROCEDURE
The ON/OFF POWER SWITCH will be
"hot" during these tests.
__________________________
NOTE: Secondary voltages will vary
proportionably with the primary input
voltage.
1.
Disconnect the main input power
supply to the machine.
2.
Remove the Case Top and Side
Panels with a 5/16" nut driver.
3.
Locate Plug J3 and Plug J6 on the
G2803 Control PC Board.
NOTE: The location of Plugs may vary
depending on the machine code.
FIGURE F.1 - G2803 Control PC
Board Main Transformer Test Points.
G2803
WM-255 CONTROL
J2
J7
J4
J10
J6
J9
J3
J5
#202
(1J3)
#204A (2J3)
#203
(3J3)
#206
(4J6)
#209
(7J6)
#208
(16J6)
J1
WARNING
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