Lincoln Electric COMMANDER SVM145-B Service Manual page 125

F-69
Pin 1
Plug J2
Pin 5
6. If the continuity is not present, check the 67
lead for poor connection.
Diagram. Look closely for broken molex pins.
7. Plug J3 back into the control PC board.
8. If all continuity checks in this section are ok but
the voltage checks from the previous section
are off, replace the control board.
9. Using the Case Cover Removal and
Replacement Procedure, install the control
panel and side panels on the machine.
TROUBLESHOOTING & REPAIR
FEEDBACK INPUT TEST (continued)
FIGURE F.33. – Plug J2 & J3
Pin 2
See the Wiring
COMMANDER 300
Pin 2 Pin 6
Plug J3
F-69
Pin 15