Kemppi MasterTig MLS 3000 ACDC Operating Manual

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Kemppi MasterTig MLS 3000 ACDC Operating Manual Manual pdf 21 page image

EN3.6 errOr CODesThe machine always checks its operation automatically during start-up and reports anyfailures detected. If failures are detected during start-up, they are shown as error codes on thecontrol panel display.err3: Overvoltage, undervoltage or phase lossThe machine has stopped the welding because it has detected momentary voltage spikes orcontinuous mains over- or under-voltage dangerous to the machine, or a phase loss in themains voltage. Check the quality of the supply network.err4: power source overheatingThe power source has overheated. The cause may be one of the following:• The power source has been used for a long time at maximum power.• The circulation of cooling air to the power source is blocked.• The cooling system has experienced a failure.Remove any obstacle to air circulation, and wait until the power source fan has cooled downthe machine.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.4. MainTenanCeNOTE! Watch out for mains voltage when handling electric cables!Degree and circumstances of machine utilisation should be taken into consideration whenplanning product maintenance. Careful use and preventive maintenance help to avoidunnecessary production disturbances and breaks. Check the condition of the welding andconnection cables daily. Do not use damaged cables.4.1 regular MainTenanCe4.1.1 every sixth monthsNOTE! Disconnect the plug of the machine from the mains socket and wait for ca. 2 minutes(capacitor charge) before removing the casing plate.The following maintenance operations should be carried out at least every sixthmonths:• Electric connections of the machine - clean any oxidised parts and tighten any looseones.NOTE! You must know the correct tension torques before you start repairing the connections.• Clean the inner parts of the machine from dust and dirt e.g. with a soft brush and avacuum cleaner. Do not use compressed air because there is the danger that the dirtis packed even more tightly in the gaps of the cooling profiles. Do not use a pressurewasher.NOTE! Only an authorised electrician may repair the machine.4.1.2 service contractKEMPPI service workshops make special service contracts with customers about regularmaintenance. All parts are cleaned, checked and if necessary, repaired. Also the operation ofwelding machine is tested.19MasterTig MLS 3000, 3003 ACDC / © Kemppi Oy / 1112