Reason
Remedy
No welding output
(
1
)
Connected power
supply
incorrectly
.
(2)
Power switch in
"
off
"
position
（1）
C
o
nnect power supply
according
to manufacturer’s
instructions
.
（2）
P
lace power switch in “on”
position
.
Trigger not working
（1）
Trigger damaged
.
（2）
Gun control wire broken
.
（3）
Control wire plug loosen
.
(
4
)
Mode switch in incorrect
position
.
（1）
Replace trigger
.
（2）
Connect again or replace
if nec-
essary
.
(
3
)
Connect control wire plug again
.
(
4
)
P
l
ace Mode switch in correct pos-
ition
.
(1)Aamperage too low
(2)
Weld time too short
.
(3)
Input power cord did not
meet the requirement
.
(4)
Ground clamp bad contact
.
(
1)
Increase amperage setting
(2)
Increase time setting
.
(3)
Replace input power cord
.
(4)
Change ground clamp location
.
Piercing workpiece
(
1
)
Output amperage too high
.
(2)
Weld time too long
.
(3)
Bad
contact of electrode tip or
washer with workpiece
.
(1)
R
educe amperage setting
.
(2)
Rrduce weld time
.
(3)
Remove coating from material
reduce added pressure
.
Welder stop working
while operation
(1)Trigger plug loosen
.
(2)
Gun control wire broken
.
(3)
Over heating
.
(1)Check
gun
control wire and
trigger plug
.
(2)
Wait for temperature cool down
.
Trouble
Poor weld
.
.
P a g e . 2 0
Carbon rod working
unstable
(
1)Carbon rod or workpiece is dirty
(2
)
I
ncorrect amperage and time
setting
.
(1)Polish carbon rod and workpieces
(2
)
S
et amperage and time according to
workpiece thickness
.
Maint e n a n ce
T ro u bl e shooti n g
