12
In maintenance of the unit, take into
consideration the rate of use and the
environment it is used in. When the unit is used
properly and serviced regularly you will avoid
unnecessary disturbances in use and production.
7.1 Daily Maintenance
Perform the following maintenance daily:
• Clean electrode holder. Replace damaged or
worn parts.
• Check tightness of welding and earth cable
connections.
• Check condition of mains and welding cables.
• See that there is enough space in front of and
back of the unit for ventilation.
7.2 Troubleshooting
Main switch signal light is not lit.
Unit does not get electricity.
• Check mains fuses.
• Check mains cable and plug.
Unit does not weld well.
Arc is uneven and goes off. Electrode gets stuck
in weld pool.
• Check welding settings and adjust when
necessary.
• Check that the work return clamp is properly
fi xed and that contact surface is clean and the
cable is undamaged.
Signal light for overheating is lit.
The unit has overheated. See 5.0 Operating
Functions.
• Check that there is ample space in front of
and back of the unit for ventilation.
• Check welding settings. See 5.0 Operating
Functions.
If problems in use are not solved with above
mentioned measures, please contact your local
BOC representative.
7.0 Periodic Maintenance
