Miller ARC PAK 350 Panduan Pemilik - Halaman 23
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Table 7-2.
Troubleshooting (Continued)
Reduced
output
voltage; only
one-
half of unit
output voltage
available;
one
transistor module
inoperative,
Input
voltage
jumper
links
connected for incorrect
input
voltage.
See Section
4-4
for proper connections.
Poorand/orimproperinputand/
See
Sections
4-4
and 4-3 for
proper
input
or
output
connections.
and
output
connections.
Base drive circuit
board(s)
PC2
Check
status of
LEDs
on
PC2 and/or PC3
and/or
PC3
inoperative.
according
to
Section
7-4,
and
contact
factory
Service
Department.
I
mproperfiber
optic
connection.
Contact
factory
Service
Department.
-
Erratic
or
improper
weld
output
incorrect
welding
cable size.
Use proper size and
type
of cable
(see
Section
4-3).
Loose
or
dirty welding
cable
connections.
Clean and
tighten
all
welding
connections.
Poorand/orimproperinputand/
or
output
connections,
See Sections
4-4
and
4-3 for
proper
inpult
and
output
connections.
Improper
wire
feeding
setup,
if
See
installation Section
in
wire feedeir
.
applicable.
Owners
Manual.
CV/CC
and
CONTACTOR
Fuse
F2
open.
Check and
replace
F2 if
necessary
(see
switches
inoperative.
Section
7-2).
Reduced
output voltage;
only
one-
Base drive circuit
board(s)
PC2
Check
status of
LEDs
on
PC2
and/or
PC3
half of unit
output
voltage
available,
and/or PC3
inoperative,
according
to
Section
7-4,
and
contact
factory
Service
Department.
OM-126
853
Page
19