35
wire feeder does not work.
The welding current is
unstable.
The wire feeder fails. Repair it.
The control PCB or wire feeding
power PCB inside the machine
fails.
Replace it.
The pressure arm on the wire
feeder is not properly adjusted.
Adjust it to get proper pressure.
The drive roll does not match the
wire size being used.
Make sure they match with each
other.
The contact tip of the welding torch
is badly worn.
Replace it.
The wire-feeding tube of the
welding torch is badly worn.
Replace it.
The electrode is of poor quality. Use electrode of good quality.
Common Failure Analysis and Troubleshooting:
Common failure and troubleshooting
Failure Cause Solution
Turn on the
machine, there is
no current
● Power is not well connected
● Welder fails
● Reconnect power
● Ask professional personnel for help
Fan does not work
during welding
●Fan power cord is not well
connected
● Auxiliary power supply fails
● Reconnect fan power cord
● Ask professional personnel for help
Display “Err10”
● Over-current protection for
welder
● Restart the welder, if problem cannot be solved,
contact maintenance personnel
Display “Err14”
●Short-circuit current
protection
● Restart the welder, if problem cannot be solved,
contact maintenance personnel
Display “Err15” ● Power limitation protection
● Restart the welder, if problem cannot be solved,
contact maintenance personnel
Display “Err60” ● Overheat protection ● It gets to normal after cooling the welder
Display “Err34”
● 15V undervoltage
protection
●15V undervoltage protection
GMAW (MIG/MAG) failure and troubleshooting
Failure Cause Solution
There are no
response and error
● Torch is not well connected to
wire feeder
● Reconnect torch and wire feeder
● Repair or replace the torch
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