Hypertherm Powermax1000 Service Manual - Manual (Page 49)

MAINTENANCE
3-16
powermax1000
Service Manual
1
P
ro
b
le
m
T
h
is
m
a
y
m
e
a
n
C
a
u
s
e
S
o
lu
ti
o
n
A
rc
lo
s
t
c
o
n
ta
c
t
w
it
h
th
e
w
o
rk
p
ie
c
e
.
F
a
u
lt
y
w
o
rk
le
a
d
,
w
o
rk
le
a
d
c
o
n
n
e
c
ti
o
n
,
o
r
c
o
n
n
e
c
ti
o
n
b
e
tw
e
e
n
th
e
w
o
rk
le
a
d
a
n
d
c
u
tt
in
g
ta
b
le
.
C
h
e
c
k
th
e
p
h
y
s
ic
a
l
c
o
n
d
it
io
n
o
f
th
e
w
o
rk
le
a
d
.
C
h
e
c
k
fo
r
lo
o
s
e
c
o
n
n
e
c
ti
o
n
s
a
t
th
e
c
la
m
p
a
n
d
p
o
w
e
r
s
u
p
p
ly
.
R
e
p
o
s
it
io
n
w
o
rk
le
a
d
d
ir
e
c
tl
y
to
th
e
w
o
rk
p
ie
c
e
.
If
th
e
p
ro
b
le
m
g
o
e
s
a
w
a
y,
c
le
a
n
th
e
c
u
tt
in
g
ta
b
le
.
F
a
u
lt
y
fa
n
.
F
a
n
c
o
u
ld
b
e
lo
a
d
in
g
d
o
w
n
th
e
F
ly
b
a
c
k
c
ir
c
u
it
.
D
is
c
o
n
n
e
c
t
J
1
a
n
d
p
e
rf
o
rm
T
e
s
t
6
.
If
th
e
v
o
lt
a
g
e
v
a
lu
e
s
a
re
c
o
rr
e
c
t,
ru
n
w
it
h
th
e
fa
n
d
is
c
o
n
n
e
c
te
d
.
If
s
y
s
te
m
ru
n
s
fi
n
e
u
n
ti
l
th
e
s
y
s
te
m
re
a
c
h
e
s
o
v
e
r-
te
m
p
e
ra
tu
re
,
re
p
la
c
e
th
e
fa
n
.
W
o
rn
c
o
n
s
u
m
a
b
le
s
.
W
o
rn
-o
u
t
c
o
n
s
u
m
a
b
le
s
.
R
e
p
la
c
e
c
o
n
s
u
m
a
b
le
s
.
Im
p
ro
p
e
r
a
ir
p
re
s
s
u
re
s
e
tt
in
g
o
r
lo
w
fl
o
w
.
In
s
u
ffi
c
ie
n
t
s
u
p
p
ly
o
r
a
ir
le
a
k
o
n
s
u
p
p
ly
lin
e
.
T
u
rn
th
e
c
u
rr
e
n
t
a
d
ju
s
tm
e
n
t
k
n
o
b
to
te
s
t
fl
o
w
a
n
d
s
e
t
th
e
p
re
s
s
u
re
re
g
u
la
to
r
to
7
0
p
s
i
(4
.7
b
a
r)
fo
r
c
u
tt
in
g
o
r
5
0
p
s
i
(3
.4
b
a
r)
fo
r
g
o
u
g
in
g
.
If
u
n
a
b
le
to
a
d
ju
s
t
to
th
e
p
ro
p
e
r
s
e
tt
in
g
,
c
h
e
c
k
e
x
te
rn
a
l
a
ir
s
u
p
p
ly
.
P
o
o
r
q
u
a
lit
y
a
ir
.
M
o
is
tu
re
o
r
c
o
n
ta
m
in
a
te
s
in
a
ir
s
u
p
p
ly
.
A
d
d
a
p
p
ro
p
ri
a
te
fi
lt
ra
ti
o
n
a
n
d
p
u
rg
e
th
e
lin
e
s
w
it
h
n
it
ro
g
e
n
to
fl
u
s
h
o
u
t
o
il
a
n
d
m
o
is
tu
re
.
In
s
u
ffi
c
ie
n
t
in
p
u
t
p
o
w
e
r
(L
o
w
v
o
lt
a
g
e
a
n
d
fa
u
lt
L
E
D
s
m
a
y
n
o
t
ill
u
m
in
a
te
).
U
n
d
e
rs
iz
e
d
e
le
c
tr
ic
a
l
s
u
p
p
ly
in
s
ta
lla
ti
o
n
:
-
B
re
a
k
e
r
o
r
fu
s
e
-
S
u
p
p
ly
w
ir
e
-
E
x
te
n
s
io
n
c
o
rd
V
e
ri
fy
th
a
t
e
x
te
rn
a
l
e
le
c
tr
ic
a
l
p
o
w
e
r
is
in
s
ta
lle
d
a
c
c
o
rd
in
g
to
th
e
s
p
e
c
ifi
c
a
ti
o
n
s
in
S
e
c
ti
o
n
2
.
C
h
e
c
k
th
e
in
p
u
t
v
o
lt
a
g
e
w
h
ile
tr
y
in
g
to
fi
re
th
e
to
rc
h
.
A
v
o
lt
a
g
e
d
ro
p
in
d
ic
a
te
s
a
n
u
n
d
e
rs
iz
e
d
e
le
c
tr
ic
a
l
s
u
p
p
ly
in
s
ta
lla
ti
o
n
.
In
v
e
rt
e
r
fa
u
lt
o
r
in
te
rl
o
c
k
.
P
o
w
e
r
b
o
a
rd
(P
C
B
2
)
fa
ilu
re
.
C
h
e
c
k
th
e
fa
u
lt
L
E
D
s
o
n
th
e
b
a
c
k
o
f
th
e
c
o
n
tr
o
l
b
o
a
rd
(s
e
e
C
o
n
tr
o
l
B
o
a
rd
L
E
D
s
).
If
"I
F
"
is
ill
u
m
in
a
te
d
,
d
is
c
o
n
n
e
c
t
J
5
a
n
d
p
la
c
e
a
ju
m
p
e
r
b
e
tw
e
e
n
p
in
s
1
a
n
d
2
o
n
p
o
w
e
r
b
o
a
rd
(P
C
B
2
).
If
th
e
e
rr
o
r
c
le
a
rs
,
re
p
la
c
e
th
e
p
o
w
e
r
s
w
it
c
h
(S
1
).
If
n
o
t,
p
e
rf
o
rm
T
e
s
t
5
.
If
o
n
e
o
f
th
e
tw
o
te
s
ts
fa
ils
,
re
p
la
c
e
th
e
p
o
w
e
r
b
o
a
rd
a
n
d
in
v
e
rt
e
r
IG
B
T
(Q
6
).
C
a
p
a
c
it
o
r
v
o
lt
a
g
e
im
b
a
la
n
c
e
(C
9
4
/C
9
8
).
F
a
u
lt
y
re
s
is
to
rs
o
n
p
o
w
e
r
b
o
a
rd
(P
C
B
2
).
P
e
rf
o
rm
T
e
s
t
2
w
h
ile
tr
y
in
g
to
fi
re
th
e
to
rc
h
.
If
v
o
lt
a
g
e
a
c
ro
s
s
th
e
c
a
p
a
c
it
o
rs
is
n
o
t
b
a
la
n
c
e
d
,
th
e
n
re
p
la
c
e
th
e
p
o
w
e
r
b
o
a
rd
(P
C
B
2
).
P
o
o
r
w
o
rk
le
a
d
c
o
n
n
e
c
ti
o
n
.
V
e
ri
fy
th
a
t
th
e
w
o
rk
le
a
d
is
a
tt
a
c
h
e
d
to
w
o
rk
p
ie
c
e
a
n
d
th
e
w
o
rk
p
ie
c
e
is
fr
e
e
o
f
ru
s
t,
p
a
in
t,
o
r
o
th
e
r
c
o
a
ti
n
g
s
.
D
a
m
a
g
e
d
w
o
rk
le
a
d
.
C
h
e
c
k
th
e
re
s
is
ta
n
c
e
a
c
ro
s
s
th
e
w
o
rk
le
a
d
.
If
th
e
re
s
is
ta
n
c
e
is
g
re
a
te
r
th
a
n
3
o
h
m
s
,
re
p
la
c
e
o
r
re
p
a
ir
a
s
re
q
u
ir
e
d
.
D
e
fe
c
ti
v
e
p
ilo
t
a
rc
IG
B
T
(Q
8
).
T
u
rn
p
o
w
e
r
O
F
F
,
re
m
o
v
e
c
o
n
s
u
m
a
b
le
s
,
a
n
d
c
h
e
c
k
re
s
is
ta
n
c
e
b
e
tw
e
e
n
th
e
p
lu
n
g
e
r
a
n
d
th
e
w
o
rk
p
ie
c
e
.
If
th
e
re
s
is
ta
n
c
e
is
le
s
s
th
a
n
5
k
o
h
m
s
,
c
h
e
c
k
th
e
re
s
is
ta
n
c
e
a
c
ro
s
s
th
e
p
ilo
t
a
rc
IG
B
T
(t
w
o
s
c
re
w
s
o
n
Q
8
).
If
re
s
is
ta
n
c
e
is
le
s
s
th
a
n
5
k
o
h
m
s
,
re
p
la
c
e
th
e
p
ilo
t
a
rc
IG
B
T
.
D
e
fe
c
ti
v
e
c
o
n
tr
o
l
b
o
a
rd
(P
C
B
3
).
R
e
p
la
c
e
th
e
c
o
n
tr
o
l
b
o
a
rd
.
A
rc
g
o
e
s
o
u
t
w
h
il
e
c
u
tt
in
g
o
r
in
te
rm
it
te
n
tl
y
w
il
l
n
o
t
re
fi
re
.
In
a
d
e
q
u
a
te
g
ro
u
n
d
.
W
h
e
n
p
re
s
s
in
g
to
rc
h
tr
ig
g
e
r
o
r
s
ta
rt
s
w
it
c
h
,
p
il
o
t
a
rc
s
ta
rt
s
b
u
t
th
e
n
e
x
ti
n
g
u
is
h
e
s
b
e
fo
re
th
e
n
o
rm
a
l
5
-
s
e
c
o
n
d
ti
m
e
-o
u
t
p
e
ri
o
d
.
F
a
u
lt
L
E
D
s
m
a
y
il
lu
m
in
a
te
.
M
a
c
h
in
e
w
il
l
n
o
t
c
u
t
m
a
te
ri
a
l
w
e
ll
(d
o
e
s
n
o
t
a
p
p
e
a
r
to
b
e
o
p
e
ra
ti
n
g
a
t
fu
ll
c
u
tt
in
g
p
o
w
e
r)
,
a
n
d
th
e
a
rc
d
o
e
s
n
o
t
ti
m
e
o
u
t
a
ft
e
r
5
s
e
c
o
n
d
s
.