Jasic MIG200PFC - Troubleshooting; Common Malfunction Analysis and Solution

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9. Troubleshooting
Warning! Before arc welding machines are dispatched from the factory, they
have already been checked thoroughly. The machine should not be tampered
with or altered. Maintenance must be carried out carefully. If any wire
becomes loose or is misplaced, it maybe potentially dangerous to user! Only
professional maintenance personnel should repair the machine!
Ensure the power is disconnected before working on the machine. Always
wait 5 minutes after power switch off before removing the panels.
9.1. Common malfunction analysis and solution
The symptoms listed here may be related to the accessories, gas,
environmental factors, and power supply you use. Please try to improve the
environment and avoid such situations.
Elimination of general problems in MIG
Symptom
Reasons
Troubleshooting
Fan does not rotate or
rotates abnormally after
power on
The ambient
temperature is too low
or the fan has been
damaged
When the temperature is too low, leave
the machine to operate for a while. The
temperature in machine will rise then
fan will resume normal operation. If it is
still not working, it is necessary to
replace the fan.
MIG
The welder has
no current
output and has
no error code
display
· The welding circuit
has failed
· A component inside
the welder has failed
· Check the welding circuit and repair it
· Contact the customer-service
personnel and seek professional
assistance
After pressing
the torch trigger
to supply gas,
there is current
output but no
wire feeding
· The wire feeder is
stuck
· The wire feeding
motor has failed
· The control board
inside the welder has
failed
· Unstuck the wire feeder
· Replace the wire feeding motor
· Replace the control panel
The welding
current is
unstable
and the current
fluctuates
· The torque knob of
the wire feeder is not
adjusted properly
· The wire feed roller
and welding wire are
configured differently
· Properly adjust the torque knob of the
wire feeder
· Properly adjust the torque knob of the
wire feeder
· Replace the contact tip of the welding
torch