Lincoln Electric SQUARE WAVE TIG 355 Service Manual page 95

F-43
PROTECTION PC BOARD TEST (continued)
PROTECTION PC BOARD RESISTANCE TEST POINTS CHART
Test Points
1J22 to 3J23
2J22 to 4J23
3J22 to 7J23
5J22 to 1J23
4J22 to 2J23
6J22 to 5J23
3J22 to 8J23
7J23 to 8J23
TROUBLESHOOTING AND REPAIR
Component(s) Being
L1 and Board Trace
L2 and Board Trace
L3 and Board Trace
L4 and Board Trace
L5 and Board Trace
L6 and Board Trace
L3 and Board Trace
Board Trace
SQUARE WAVE TIG 355
Maximum Allowable
Tested
4.2 OHMS (3.9 Typical)
4.2 OHMS (3.9 Typical)
4.2 OHMS (3.9 Typical)
4.2 OHMS (3.9 Typical)
4.2 OHMS (3.9 Typical)
4.2 OHMS (3.9 Typical)
4.2 OHMS (3.9 Typical)
F-43
Resistance
Zero (0) Ohms