Tweco 185TSW DC CC - Manual (Page 50)

50
12.0
Po
w
e
r Source
E
rro
r Codes
D
esc
ri
pt
ion
P
ossible
C
a
use
R
em
ed
y
R
em
ar
ks
1
E01 error
code displa
y
ed
Temperatur
e sensor T
H
1 (prote
cts
IG
B
T
s)
is great
er than 80ºC for
about 1 second.
A B C
The
We
lding
Powe
r
Source’s dut
y
c
y
cl
e has
been ex
ceed
ed.
Fan c
eases t
o
op
erat
e.
Ai
r fl
ow i
s rest
ri
ct
ed b
y
vents being
block
ed.
A B C
L
et Powe
r Sourc
e cool down
the
n
ke
ep
within its dut
y
cy
cle
.
Have an
Acc
redi
te
d Th
erm
al
Arc S
ervi
c
e A
g
ent
inve
stig
at
e.
Unblock vents then let Power Source cool down.
W
el
d
current
c
eases.
B
u
z
z
er sounds constantl
y
.
F
an ope
rates
at max
speed. E01 resets when
TH1
decre
ases to 70ºC for
about 30 seconds.
2
E
02 error
code displa
y
ed
Temperatur
e sensor T
H
2 (prote
cts
secondar
y
diod
es) is
g
re
ater than
80ºC for about 1 second.
A B C
The
We
lding
Powe
r
Source’s dut
y
c
y
cl
e has
been ex
ceed
ed.
Fan c
eases t
o
op
erat
e.
Ai
r fl
ow i
s rest
ri
ct
ed b
y
vents being
block
ed.
A B C
L
et Powe
r Sourc
e cool down
the
n
ke
ep
within its dut
y
cy
cle
.
Have an
Acc
redi
te
d Th
erm
al
Arc S
ervi
c
e A
g
ent
i
nvest
ig
at
e
Unblock vents then let Power Source cool down.
W
el
d
current
c
eases.
B
u
z
z
er sounds constantl
y
.
F
an ope
rates
at max
speed. E02 resets when
TH2
decre
ases to 70ºC for
about 30 seconds.
3
E
03 error
code displa
y
ed
Primar
y
(input)
curr
ent too hig
h
.
A B
Pr
ima
ry
c
u
rr
en
t is too hig
h
because
wel
d
in
g
ar
c i
s t
o
o
long
.
Mains suppl
y
volta
g
e is
more than 10% below nominal voltag
e .
A B
Re
duc
e le
n
g
th of
w
elding
a
rc
.
Have an
Acc
redi
te
d Th
erm
al
Arc S
ervi
c
e A
g
ent
o
r a
qual
if
ie
d el
ect
ri
ci
an ch
eck fo
r
low Ma
ins volta
g
e.
W
el
d
current
c
eases.
B
u
z
z
er sounds constantl
y
.
Switc
h ma
ch
ine
of
f the
n
on to reset E03 er
ror.
4
E04 error
code displa
y
ed
Out
put
vol
ta
g
e
ex
ceeds t
h
e
secondar
y
volta
ge speci
fication.
T
IG torch c
able and/o
r work
lead ar
e too long
o
r leads
are coi
le
d.
Re
duc
e the
le
n
g
th of
th
e T
IG
torch cable
and/or work le
ad
or un-coiled le
ads.
W
el
d
current
c
eases.
B
u
z
z
er sounds constantl
y
.
Switc
h ma
ch
ine
of
f the
n
on to reset E04 er
ror.