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REHM INVERTIG.PRO 240 DC Betriebsanleitung Seite 113

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Faults
Arc flic
ckers and ju
umps
Cause:
Electrod
de and work
k piece do n
working
g temperatu
re
Electrod
de is badly
pointed
No suita
able electro
ode
Arc is a
a strange c
colour
Cause:
No/too l
little/incorre
ect inert gas
Electrod
de is dirty
Electro
ode burns o
off
Cause:
No inert
t gas
Current
t load too hi
gh
Proport
ion of Plus
too high wh
with alte
ernating cur
rrent
Connec
ctors for torc
ch and earth
MMA w
elding is se
et
Unit is
not pulsing
g
Cause:
Pulse is
s not activat
ted
Values
for I1 and I2
2 are the sa
Arc bre
eaks away
on ignition
Cause:
Ignition
energy has
s been set t
Electrod
de is used o
or dirty
not reach
s
hen welding
g
h cable swa
apped
ame
n
oo low
Solution:
Use thinne
er electrode
e
Sharpen e
lectrode.
Change el
ectrode
Solution:
Check
Sharpen
Solution:
Check
Use thicke
er electrode
Use the Ba
alance to in
ncrease
the propor
tion of Minu
us
Connect th
he correct w
way round
Set TIG we
elding
Solution:
Set T1 and
d/or T2 puls
se times
Change va
alues
Solution:
Set the ign
nition energy
y or use a t
electrode
Sharpen e
lectrode ag
gain
GB
thinner
49
4

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