Auxiliary transformer secondary lead plugs p52, Troubleshooting & repair, Plug p52 – Lincoln Electric INVERTEC SVM158-A User Manual
Page 84: Auxiliary transformer test (continued)
TROUBLESHOOTING & REPAIR
F-34
F-34
V350-PRO
AUXILIARY TRANSFORMER TEST (continued)
TEST PROCEDURE
1. Remove input power to the V350-PRO.
2. Using a 5/16” nut driver, remove the case
wraparound cover.
3. Perform the Input Capacitor Discharge
Procedure detailed earlier in this section.
4.
Locate the auxiliary transformer. See Figure
F.8.
5.
Locate the secondary leads and plug P52.
See Figure F.8 and F.9.
FIGURE F.8 Auxiliary Transformer
FIGURE F.9 Plug Lead Connections Viewed From Transformer Lead Side of Plug
W
ARNING
REMOTE
POWER
OFF
ON
A
AMPS
A
V
VOL
TS
W
ELD
TE
RM
IN
ALS
SE
LE
CT
OUTPUT
HO
T ST
AR
T
ARC
CO
NTROL
-4
+4
+2
-2
0
-6
+6
-10
SOFT
CRISP
+10
-8
+8
5
4
3
2
1
0
6
10
9
8
7
SEL
ECT
CC-STIC
K 70
18
CC-STICK
60
10
TIG
G
TAW
CV
-W
IRE
CV
-FLU
X C
ORE
D
Auxiliary
Transformer
Secondary Lead
Plugs P52
Plug P52
31
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
54
541
532
42
24