TROUBLESHOO
TING
43
MIG 180 INVERTER WELDER 058-9306-4
Troubleshooting
The following chart lists common issues and solutions. Please read it carefully and follow all
instructions closely.
WARNING!
Potential hazard that could result in serious injury or loss of life.
•
If any of the following symptoms appears while the welder is in use, turn unit
off and disconnect it from the power supply immediately. Failure to heed this
warning will result in serious personal injury or loss of life.
•
Repairs must be performed by a qualified service technician only.
PROBLEM
POSSIBLE CAUSES
SOLUTIONS
The welder does not
work when the main
switch is turned on.
1. No power input.
2. Power cord or power plug is
broken.
3. Main switch is broken.
4. Transformer is broken.
1. Check the circuit or fuse of the power supply.
2. Replace the power cord.
3. Replace the main switch.
4. Replace the transformer.
The welder does not
weld.
1. Incorrect power input.
2. Inadequate current at the output.
3. Poor connection of output cable.
4. Welder components and work
piece surface are dirty.
5. Wrong welding wire.
6. Wrong mode selector switch
setting.
1. Check the power source.
2. Check for proper grounding to the work piece.
3. Check the output connection.
4. Clean the components.
5. Use the correct wire.
6. Set the mode selector switch in accordance
to the type of welding.
Blown fuse or
tripped circuit
breaker.
1. Inadequate fuse or circuit breaker.
1. Check whether the fuse in power supply is 50 A.
Arc is hard to start.
1. Wrong welding wire or electrode.
2. Base metal is not grounded
properly.
1. Use the correct wire or electrode.
2. Make sure the connection is good.