ESAB Precision Plasmarc, Installation, Operation And Maintenance Manual For Residential Installation

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SECTION 6 TROUBLESHOOTING
6-43
Vision Shift/Start
Line vent
Flow control vent
Idle (Station off)
Station on Flush/
Pressure cycle
Line Purge
Station
on?
Station on?
Line fill
Station on?
ready
Station on?
New SDP file
selected?
Plasma
start?
Analog
disable
timing?
Idle (Station On)
Station on?
New SDP file
selected?
Plasma
test?
Plasma
start?
Plasma
test?
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
no
no
no
Process start.
Plasma
stop?
Error
condition?
Station on?
Arc
established
?
Process cut
New SDP file
selected?
Station on?
Plasma stop
Error
condition?
Station on?
Process
Postflow
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
Test (start)
Station on?
New
SDP files
selected?
Plasma test?
Plasma test
cut?
Plasma test
(start O
2
)?
Test (start O
2
)
Station on?
New
SDP file
selected?
Plasma test?
Plasma test
cut?
Plasma test
(start O
2
)?
Test (cut)
Station on?
New
SDP file
selected?
Plasma test?
Plasma
test cut?
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
no
no
no
no
no
yes
1
2
13
3
4
5
6
7
8
9
10
11
Section 6.7.7
for details
12
Numbers
#
correspond to columns on solenoid/
proportional valve requirement charts
and gas error monitoring charts
6.12.23 Gas Error Monitoring
Aluminum PG-N
2
, SG-N
2
➊ ➋ ➌ ➍ ➎ ➏ ➐ ➑ ➒
L
in
e
V
e
n
t
L
in
e
V
e
n
t
L
in
e
V
e
n
t
L
in
e
V
e
n
t
F
lo
w
C
o
n
tr
o
l
F
lo
w
C
o
n
tr
o
l
F
lo
w
C
o
n
tr
o
l
F
lo
w
C
o
n
tr
o
l
V
e
n
t
V
e
n
t
V
e
n
t
V
e
n
t
L
in
e
P
u
rg
e
L
in
e
P
u
rg
e
L
in
e
P
u
rg
e
L
in
e
P
u
rg
e
L
in
e
F
ill
L
in
e
F
ill
L
in
e
F
ill
L
in
e
F
ill
R
e
a
d
y
R
e
a
d
y
R
e
a
d
y
R
e
a
d
y
P
ro
c
e
ss
S
ta
rt
P
ro
c
e
ss
S
ta
rt
P
ro
c
e
ss
S
ta
rt
P
ro
c
e
ss
S
ta
rt
P
ro
c
e
ss
C
u
t
P
ro
c
e
ss
C
u
t
P
ro
c
e
ss
C
u
t
P
ro
c
e
ss
C
u
t
P
ro
c
e
ss
P
o
st
P
ro
c
e
ss
P
o
st
P
ro
c
e
ss
P
o
st
P
ro
c
e
ss
P
o
st
F
lo
w
F
lo
w
F
lo
w
F
lo
w
T
e
st
(
S
ta
rt
)
T
e
st
(
S
ta
rt
)
T
e
st
(
S
ta
rt
)
T
e
st
(
S
ta
rt
)
T
e
st
(
C
u
t)
T
e
st
(
C
u
t)
T
e
st
(
C
u
t)
T
e
st
(
C
u
t)
Id
le
(
S
ta
tio
n
Id
le
(
S
ta
tio
n
Id
le
(
S
ta
tio
n
Id
le
(
S
ta
tio
n
O
n
)
O
n
)
O
n
)
O
n
)
Id
le
(
S
ta
tio
n
)
Id
le
(
S
ta
tio
n
)
Id
le
(
S
ta
tio
n
)
Id
le
(
S
ta
tio
n
)
O
ff
)
O
ff
)
O
ff
)
O
ff
)
Process Gas Pressure Switches Process Gas Pressure Switches Process Gas Pressure Switches Process Gas Pressure Switches X = Monitored For Pressure Present,
O = Monitored For Absence Of Pressure
Plasma Gas 1
1 1
1 Pressure Switch O
O O
O X
X X
X X
X X
X
Plasma Gas 2 2 2 2 Pressure Switch O O O O
Shield Gas 1 1 1 1 Pressure Switch O O O O X X X X X X X X
Shield Gas 2
2 2
2 Pressure Switch O
O O
O
11 12 13