Troubleshooting & repair, Protection board output test(cont.) test procedure – Lincoln Electric INVERTEC SVM101-B User Manual
Page 50
V300-I
TROUBLESHOOTING & REPAIR
F-20
F-20
PROTECTION BOARD OUTPUT TEST(cont.)
TEST PROCEDURE
12. Open S4 and Turn Power OFF
13. Move probes to test between leads 306 (+) and
275 (-). (See Figure F.6)
14. Turn Power ON and close S4. If voltage is less
than 1 VDC, Protection Board is OK. If voltage is
greater than 14 VDC, Protection Board may be
defective.See Overvoltage Protection DC
Trigger Circuit test, Step
11.
PROTECTION
L7915
306
313
275F
311
J8
J15
FIGURE F.6 - INSERTING PROBES
See also other documents in the category Lincoln Electric Tools:
- AIR VANTAGE IM10065 (54 pages)
- PRECISION TIG IM936 (44 pages)
- MAGNUM IM887 (20 pages)
- X-Tractor 1GC (4 pages)
- CAN-M393 (3 pages)
- CV ADAPTER IM309-D (46 pages)
- Idealarc 250 (2 pages)
- L12810-1 (4 pages)
- IM359-G (34 pages)
- OUTBACK 145 (34 pages)
- 4.1 (20 pages)
- CV-655 (47 pages)
- K1308-12 (4 pages)
- IM803-B (31 pages)
- LN-25 IM10092 (39 pages)
- PRECISION TIG 275 IM702-A (46 pages)
- Pipeliner 200D (4 pages)
- POWER FEED 10M SINGLE/DUAL SVM172-A (151 pages)
- CLASSIC 300G IM659-B (33 pages)
- INVERTEC V350-PRO IM708 (38 pages)
- Magnum 300 and 400 GMA Gun & Cable Assemblies K514 (29 pages)
- CLASSIC III 10061 (34 pages)
- 347 AC-DC (3 pages)
- INVERTEC IM958 (38 pages)
- Cool-Arc 40 (2 pages)
- IM795 (39 pages)
- Excalibur 11018M MR (1 page)
- METALUX 396T8HO (2 pages)
- MIG PAK HD IM822 (39 pages)
- VINTAGE 400 (CE) IM889-A (49 pages)
- IM481-B (35 pages)
- POWER MIG SVM157-A (91 pages)
- 600-I (2 pages)
- 4R90 (8 pages)
- IM613-B (54 pages)
- pmn (35 pages)
- RANGER 250 IM919 (49 pages)
- Welding Helmet (4 pages)
- IM355-C LN-9F GMA (70 pages)
- IM628 (17 pages)
- COOL ARC 35 IM959 (22 pages)
- POWER MIG 215 (35 pages)
- LN-25 PRO IM901-A (44 pages)
- METALUX 248 (2 pages)
- MAGNUM PCT125 (25 pages)