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This operating manual contains important information on the use, maintenance and safety of your Kemppi product. The technical specifications of the equipment can be found at the end of the manual. Please read the manual carefully before using the equipment for the first time. For your own safety and that of your working environment, pay particular attention to the safety instructions in the manual.
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Introduction The FastMig KM-series power sources 300, 400, and 500 are MIG power sources designed for demanding professional use in the three-phase network. The power source has a control panel that allows ready control of the functions of the power source and the wire feeder. Overview of the power source Front view Rear view...
Connection to mains FastMig KM power sources are connected to the 400-V three-phase network using the mains cable supplied with the machine. The machine is equipped with a five-metre mains cable that does not have a plug. Before use, check the mains cable and install a mains plug. If the cable does not comply with the local electrical regulations, replace it with a compliant cable.
Section 4, ‘Troubleshooting’ . If the failure cannot be eliminated, turn off the machine, and turn it on again. If the failure persists, write down any fault code that may be shown on the display and contact authorised Kemppi service agent.
Use of the control panel The control panel is used for controlling and monitoring the operation of the power source and the wire feeder. The buttons are used for adjusting functions. The displays and indicators reflect the operating modes of the machine. 3.3.1 Starting of the control panel • When you start the power source with the main switch (A2), the control panel remains in OFF mode and the wire feeder is not operational.
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The table below lists the operation parameters and their possible values. Name of Name Parameter Factory Description parameter displayed values values Pre Gas Time 0.0 – 9.9 s 0.1 s Pre-welding gas time in seconds Post Gas Time Aut, 0.1 – 32.0 s Post-welding gas time in seconds or automatically according to welding current 1 s / 100 A (Aut)
Therefore, repeat steps 2 – 11 and then device is ready for welding. TROUBLESHOOTING In the event of a failure of the machine, contact an authorised Kemppi service agent. Before taking your unit for servicing, check the list below.
Check the trigger’s leads. Other error codes: The machine can show codes not listed here. In the event of an unlisted code appearing, contact an authorised Kemppi service agent and report the error code shown. FastMig 300, 400, 500...
Remember that the machine may be repaired only by an electrical contractor or installer NOTE! authorised to perform such operations. Regular maintenance Authorised Kemppi service agents perform regular maintenance by agreement. Tasks included in regular maintenance: • Cleaning of equipment. • Inspection and maintenance of the welding gun.
The owner of the equipment is obliged to deliver a decommissioned unit to a regional collection centre, per the instructions of local authorities or a Kemppi representative. By applying this European Directive you will improve the environment and human health.
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