Hypertherm Powermax1000 Service Manual - Manual (Page 50)

MAINTENANCE
1
powermax1000
Service Manual 3-17
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
C
u
rr
e
n
t
a
d
ju
s
tm
e
n
t
s
e
t
to
o
lo
w
.
V
e
ri
fy
th
a
t
th
e
c
u
rr
e
n
t
a
d
ju
s
tm
e
n
t
k
n
o
b
is
a
t
th
e
p
ro
p
e
r
s
e
tt
in
g
(t
u
rn
to
m
a
x
,
fu
lly
c
lo
c
k
w
is
e
).
D
e
fe
c
ti
v
e
p
o
w
e
r
b
o
a
rd
c
u
rr
e
n
t
s
e
n
s
o
r.
V
e
ri
fy
th
a
t
th
e
y
e
llo
w
w
ir
e
c
o
n
n
e
c
te
d
to
th
e
b
o
tt
o
m
o
f
Q
6
is
w
ir
e
d
th
ro
u
g
h
th
e
b
o
tt
o
m
o
f
L
1
.
If
s
o
a
n
d
th
e
"I
F
"
L
E
D
is
ill
u
m
in
a
ti
n
g
(s
e
e
C
o
n
tr
o
lB
o
a
rd
L
E
D
s
),
re
p
la
c
e
th
e
p
o
w
e
r
b
o
a
rd
a
n
d
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
(P
C
B
2
)
a
n
d
th
e
a
p
p
ro
p
ri
a
te
IG
B
T
.
D
e
fe
c
ti
v
e
c
o
n
tr
o
l
b
o
a
rd
.
V
e
ri
fy
th
e
T
ra
n
s
fe
r
L
E
D
ill
u
m
in
a
te
s
p
ro
p
e
rl
y
(s
e
e
C
o
n
tr
o
lB
o
a
rd
L
E
D
s
)
o
n
th
e
c
o
n
tr
o
l
b
o
a
rd
(P
C
B
3
)
a
n
d
c
h
e
c
k
th
e
c
u
rr
e
n
t
o
n
th
e
w
o
rk
le
a
d
.
If
th
e
c
u
rr
e
n
t
is
b
e
tw
e
e
n
1
5
a
n
d
2
5
a
m
p
s
a
n
d
th
e
L
E
D
ill
u
m
in
a
te
s
,
re
p
la
c
e
th
e
c
o
n
tr
o
l
b
o
a
rd
.
M
o
d
e
s
w
it
c
h
s
e
t
w
ro
n
g
.
S
e
t
th
e
m
o
d
e
s
w
it
c
h
to
th
e
c
o
rr
e
c
t
p
o
s
it
io
n
.
F
a
u
lt
y
c
o
n
tr
o
l
b
o
a
rd
(P
C
B
3
).
V
e
ri
fy
th
a
t
th
e
T
ra
n
s
fe
r
L
E
D
ill
u
m
in
a
te
s
o
n
th
e
c
o
n
tr
o
l
b
o
a
rd
a
n
d
v
e
ri
fy
th
a
t
th
e
"I
F
"
L
E
D
is
n
o
t
ill
u
m
in
a
ti
n
g
(s
e
e
C
o
n
tr
o
lB
o
a
rd
L
E
D
s
).
If
b
o
th
a
re
tr
u
e
,
re
p
la
c
e
th
e
c
o
n
tr
o
l
b
o
a
rd
(P
C
B
3
).
F
a
u
lt
L
E
D
o
n
p
o
w
e
r-
u
p
.
S
ta
rt
s
ig
n
a
l
ill
u
m
in
a
te
d
o
n
c
o
n
tr
o
l
b
o
a
rd
.
C
N
C
is
s
u
in
g
p
la
s
m
a
s
ta
rt
in
a
m
a
c
h
in
e
a
p
p
lic
a
ti
o
n
o
r
th
e
to
rc
h
tr
ig
g
e
r
is
d
e
fe
c
ti
v
e
o
r
e
n
g
a
g
e
d
.
R
e
m
o
v
e
th
e
in
te
rf
a
c
e
c
a
b
le
fr
o
m
th
e
b
a
c
k
o
f
th
e
p
o
w
e
r
s
u
p
p
ly
a
n
d
c
h
e
c
k
th
e
S
ta
rt
L
E
D
(s
e
e
C
o
n
tr
o
lB
o
a
rd
L
E
D
s
).
If
th
e
S
ta
rt
L
E
D
g
o
e
s
o
u
t,
th
e
p
ro
b
le
m
is
e
it
h
e
r
a
s
h
o
rt
c
ir
c
u
it
in
th
e
in
te
rf
a
c
e
c
a
b
le
o
r
th
e
C
N
C
is
is
s
u
in
g
a
p
la
s
m
a
s
ta
rt
s
ig
n
a
l.
F
o
r
a
h
a
n
d
to
rc
h
,
c
h
e
c
k
w
ir
in
g
o
f
th
e
to
rc
h
tr
ig
g
e
r
(s
e
e
T
8
0
H
a
n
d
To
rc
h
).
R
e
d
L
E
D
o
n
p
o
w
e
r
b
o
a
rd
(P
C
B
2
)
re
m
a
in
s
il
lu
m
in
a
te
d
w
h
e
n
in
p
u
t
v
o
lt
a
g
e
is
b
e
tw
e
e
n
2
0
0
-5
4
0
V
A
C
.
F
a
u
lt
y
P
F
C
c
ir
c
u
it
o
n
th
e
p
o
w
e
r
b
o
a
rd
o
r
th
e
in
v
e
rt
e
r
is
g
o
in
g
in
to
a
n
o
v
e
r-
c
u
rr
e
n
t
s
ta
te
.
F
a
u
lt
y
in
v
e
rt
e
r
IG
B
T
(Q
6
),
P
F
C
IG
B
T
(Q
7
),
p
o
w
e
r
b
o
a
rd
(P
C
B
2
).
P
e
rf
o
rm
T
e
s
t
5
.
M
a
jo
r
c
o
m
p
o
n
e
n
t
d
a
m
a
g
e
o
n
p
o
w
e
r
b
o
a
rd
(P
C
B
2
).
S
h
o
rt
e
d
in
v
e
rt
e
r
IG
B
T
(Q
6
)
o
r
P
F
C
IG
B
T
(Q
7
).
P
e
rf
o
rm
T
e
s
t
5
.
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
.
L
o
s
in
g
p
il
o
t
a
rc
w
h
e
n
g
o
in
g
o
ff
p
la
te
w
h
il
e
in
c
o
n
ti
n
u
o
u
s
p
il
o
t
m
o
d
e
.
C
o
n
ti
n
u
o
u
s
p
ilo
t
a
rc
d
o
e
s
n
o
t
w
o
rk
.
L
o
w
o
u
tp
u
t
fr
o
m
p
o
w
e
r
s
u
p
p
ly
.