7 TROUBLESHOOTING
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7 TROUBLESHOOTING
Perform these checks and inspections before sending for an authorised service technician.
The following table describes the welder error code, as well as the causes and solutions
Error
Code
Displayed Content
Fault Cause Solution
Left
display
Right
display
F00 F00 None Power-on self-test
E1 E1 None Welding torch fault When the equipment
is turned on, the
welding torch trigger
switch is on. the
switch may be faulty.
Turn off the switch.
Replace the welding
torch.
E2 E2 None Output terminal
over-temperature
The OKC terminal
and welding cable is
not connected
properly. The copper
cross-sectional area
of the output power
cable is too small.
The output cable
OKC fails to meet
the specification
requirement. The fan
does not work or
slows down.
Verify the OKC
terminal and welding
cable is connected
properly. Use cables
with correct
cross-sectional
areas. Select
suitable cable OKC.
Verify that the fan
blades are not stuck
with any foreign
objects.
E3 E3 None Abnormal input
power
The input power
cable is not
connected properly.
Input power
overvoltage occurs.
Input power under
voltage occurs. Input
power phase
imbalance occurs.
The input power
frequency exceeds
the range.
Verify that the input
cables are
connected properly.
Verify that all the
three input phases
are present.
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