Jasic MIG160PFC, Manual

Page: 48 / 70

Page 48
9. Troubleshooting
Warning! Before 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
After startup, the fan does
not turn or the wire
feeding speed is
abnormal The ambient
temperature is too low
or the fan has been
damaged
If the temperature is too low, let the
machine work for a period of time, and
the temperature in standby will rise and
it will rotate normally. If it is still not
working, 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
· Loosen the wire feeder
· Replace the wire feeding motor·
· Replace the control board
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
· The contact tip is · Properly adjust the torque knob of the
wire feeder
· Match the wire feed roller with the
welding wire
· Replace the contact tip of the welding
torch