A SERVICE OF

logo

Open as PDF
next previous
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC
V350-PRO
TROUBLESHOOTING & REPAIR
F-52 F-52
PROCEDURE
1. Remove input power to the V350-PRO.
2. Using a 5/16” nut driver remove the case wrap-
around cover.
3. Perform the Input Filter Capacitor Discharge
Procedure detailed earlier in this section.
4. Locate the control board behind the front panel of
the machine. See Figure F.16.
5. Using a 5/16” nut driver remove the two screws
from the bottom of the front of the machine. See
Figure F.17.
CONTROL BOARD REMOVAL AND REPLACEMENT (continued)
REMOTE
REMOTE
ON
ON
REMOTE
REMOTE
LOCAL
LOCAL
WELD TERMINALS
OUTPUT
CONTROL
SELECT SELECT
MPS
A
OLTS
V
MEMOR
MEMOR
Y BUTT
BUTT
ON
ON
SELECT
SELECT
ATTRIBUTE
TTRIBUTE
ADJUST
ADJUST
ATTRIBUTE
TTRIBUTE
SELECT
SELECT
KNOB
KNOB
_
+
5/16" Screws
Flathead Screws
Phillips Head
Screws
FIGURE F.16 - CONTROL BOARD LOCATION
FIGURE F.17 CASE FRONT SCREW REMOVAL
WARNING
REMOTE
POWER
OFF
ON
A
AMPS
A
V
VOLTS
WELD TERMINALS
SELECT
OUTPUT
HOT START
ARC CONTROL
-4
+4
+2
-2
0
-6 +6
-10
SOFT
CRISP
+10
-8
+8
5
4
3
2
1
0
6
10
9
8
7
SELECT
CC-STICK 7018
CC-STICK 6010
TIG GTAW
CV-WIRE
CV-FLUX CORED
Control Board