NewArc MIG400 Operational Manual Download Page 19 | Manualshive

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MIG 400

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4.1 Welding problems

MIG

If problems are experienced whilst MIG welding, please consult the fault finding and maintenance
section of the WFU instruction manual.

Any welding problems not covered above must be brought to the attention of a qualified Welding
Engineer, if the problem still persists have the R4000/R5000 checked by a trained Newarc service
engineer.

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Summary of Contents for MIG400

Page 1: ...www newarc co uk Newcastle UponTyne Tel 0191 295 0111 sales newarc co uk Powered by Operational Manual Newarc MIG400 NA9910208...

Page 2: ...ower source for MIG Brand name or trade mark Newarc Type designation etc MIG 400 Manufacturer or his authorised representative established within the EEA Name address telephone no Newarc Newcastle upo...

Page 3: ...such as damp environments wearing wet clothing and metal structures Try to avoid welding in cramped or restricted positions Ensure that the equipment is well maintained Repair or replace damaged or d...

Page 4: ...ear the cutting welding area Remove all ammable and combustible materials from the cutting welding zone and surrounding areas Do not cut weld fuel and lubricant containers even if empty These must be...

Page 5: ...uipment that has reached its end of life must be collected separately and returned to an environmentally compatible recycling facility Handling of compressed gas cylinders and regulators All cylinders...

Page 6: ...ation 12 3 Operation 13 3 1 Start up Display 14 3 2 Standard Display Functions 14 3 3 Standard Display Functions MIG 15 3 4 Standard Display Functions User Menu 16 3 5 Standard Display Functions Error...

Page 7: ...n authorised Newarc dealer or visit the Newarc website at www newarc co uk The specifications presented in this manual are subject to change without prior notice Important notes Items in the manual th...

Page 8: ...welding arc much faster than conventional machines resulting in a more stable and controllable weld pool Due to the high efficiency and power factor these units provide energy and cost saving solutio...

Page 9: ...3 Technical Specifications Newarc 380 480 Volts 3 Phase 50 60Hz Power voltage V 24A 18 5 KVA 32A slow blow or type C MCB Variable 4 x 4 0mm flexible cable 0 95 400 amps Power Factor 40V 2 40V Infinit...

Page 10: ...lso gives an indication when the machine is over temperature OT or the optional cooling unit is turned off CU 5 Inductance control Operates in MIG mode only This control alters the response time of th...

Page 11: ...e feed unit There is no switch for remote operation plugging an external unit into the socket automatically selects remote operation 8 veweldterminal Main welding power output connector positive polar...

Page 12: ...apability for the machine Make sure that any extension cables used are of sufficient current carrying capacity Make sure that the mains plug and socket if fitted are in good condition and are of the c...

Page 13: ...ng Cooling unit control Improved remote control Configuration Front Panel is factory calibrated and in most cases doesn t need additional adjusting If any problem occurs please contact service for adv...

Page 14: ...N Remote control detected 6 8 8 8 8 8 8 8 8 Top right decimal point flashing Output voltage detected when output volt age 5V and no remote connected 7 8 8 8 8 8 8 8 8 Bottom right decimal point flashi...

Page 15: ...med on display for better recognising read value of voltage and current 4 2 6 Standard display functions MIG Mode Actual Current and Voltage When welding Set Voltage dur Welding Time Duration Long pre...

Page 16: ...ON time hours Shows time how long device was ON T 8 8 8 8 2 6 Total ON time minutes C U 8 8 8 o F F Cooling Unit Error Register Cooling unit disconnected or not active Signal from cooling unit is igno...

Page 17: ...5s Output current flow was noticed and machine was switched off ERROR 5 Microprocessors restarts This is an errors counter visible during configuration mode in Errors Register E r 8 6 C U ERROR 6 CU...

Page 18: ...overheated normally by exceeding its Duty Cycle and the power stages of the machine have been shut down In this case leave the machine switched on until it has cooled down if you turn the machine off...

Page 19: ...ease consult the fault finding and maintenance section of the WFU instruction manual Any welding problems not covered above must be brought to the attention of a qualified Welding Engineer if the prob...

Page 20: ...on of the welding cable earth clamp and welding connectors for damage and any sign of over heating Check the gas hose and regulator for leaks remember that air leaks can result in weld porosity Check...

Page 21: ...e stated conditions of use are that considered normal industrial practice and are not exhaustive Each machine is identified with a unique serial number and accompanied with the guarantee Newarc reserv...

Page 22: ...MIG 400 22 7 Electrical Diagram MIG400 Power Source 15 SECTION 6 ELECTRICAL DIAGRAMS 6 1 System Diagram...

Page 23: ...MIG 400 23 MIG400 Power Source 16 SECTION 7 PARTS BREAKDOWN 7 1 Component Locations 4 1 2 6 3 5 12 13 14 7 8 9 10 11 8 Parts...

Page 24: ...MIG 400 24 MIG400 Power Source 17 SECTION 7 PARTS BREAKDOWN 7 1 Component Locations 15 16 17 24 20 22 18 19 21 23 27 26 25...

Page 25: ...s body NAM00379 Soft start resistor assembly Soft start relay NAM70026 Fuse 3 15A slow blow 32 x 6 3mm ceramic body NAM00020A NAM90765 Diode bridge NAM60057 Control PCB NAM90744 R17 R4000 Display PCB...

Page 26: ...MIG 400 26 Notes...

Page 27: ...MIG 400 27...

Page 28: ...MIG 400 28 www newarc co uk Powered by Unit 1 Whitehouse Industrial Estate Whitehouse Road Newcastle upon Tyne NE15 6LN Tel 44 0 191 295 0111 Email sales newarc co uk www newarc co uk...

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