1
Service manual
MinarcTig 180MLP
Version 1.0
180MLP
MinarcTig
Page 1: ...1 Service manual MinarcTig 180MLP Version 1 0 180MLP MinarcTig...
Page 2: ...7 Measurings 8 Control card A001 Operating diagram 9 Connectors 10 Spark generator card A002 Connectors operating diagram 11 Panel card P001 Connectors operating diagram 12 Operating panel 13 Setup 14...
Page 3: ...140 A 25 6 V Idle Power TIG MMA 25 W MMA welding electrodes MMA 1 5 3 25 mm Load capacity Supply current I1eff TIG MMA 18 A 120 A 14 8 V 22 A 100 A 24 0 V Connection cable fuse 3 x 2 5 mm 3 m Euro Sch...
Page 4: ...oid valve Y001 Fan M001 Main switch S1 Spark transformer T003 Choke L002 Main transformer T001 Aux transformer T002 Shunt resistor R001 PTC 140 C PTC 120 C Control card Main circuit card Spark generat...
Page 5: ...Main circuit card Z001 Net over voltage protection DC link charging EMI filter Primary rectifier Energy reserve Dual forward inverter Main transformer Secondary rectifying Panel card P001 Adjustment p...
Page 6: ...EMI filter IGBTs gate resistors return current diodes Main transformer T001 Smoothing capasitors Primary rectifier Connector to A001 Operating diagram Net over voltage protection DC link charging EMI...
Page 7: ...Aux transformer T002 supply voltage 230 Vac X10 Aux transformer T002 supply voltage 230 Vac X11 Supply voltage to spark generator card A002 Z001 connectors X12 Supply voltage to spark generator card A...
Page 8: ...8 Measurings Measuring point A Supply voltage main circuit card Z001 Measuring point B Gate control pulse X2 6 X2 12 no load Measuring point C DC link charging primary rectifier...
Page 9: ...g diagram Aux Voltage development PWM control Shunt amplifier MMA dynamic control Solenoid valve control Fan control Under voltage watch Overvoltage watch Overheat watch Remote foot control interface...
Page 10: ...ontrol X2 7 Overvoltage opto X2 8 Relay on off X2 9 U2 measure X2 10 PTC A001 X2 X2 11 X2 12 Gate control X3 1 PTC X3 2 PTC A001 X3 X5 1 GND X5 2 X5 3 24 V X5 4 Pedal start X5 5 Remote pot X5 6 X5 7 5...
Page 11: ...Connectors R9 X2 X1 X3 X1 Main transformer secondary X2 Spark on off X3 Spark transformer primary R9 Spark voltage adjustment A002 connectors Operating diagram Spark voltage generator voltage multipl...
Page 12: ...1 Connector A001 X2 Membrane panel connection X10 Program service channel P001 Connectors Operating diagram Micro controller Renesas M30262 Adjustment potentiometer Parameters selection Overheat prote...
Page 13: ...inilog Process selection TIG MMA Selection arrow keys Pregas Upslope Standby indicator Overheating indicator Downslope Postgas Panel remote selector Control knobb Pulse on off HF ignition LED on Conta...
Page 14: ...up mode by pressing both arrow keys 1 for at least five seconds The display will show the name of the parameter 2 and numerical value 3 Select the parameter to be adjusted with the arrow buttons 1 and...
Page 15: ...th a brief pressing of the switch 1 On 0 Off 0 or 1 Alternative switch logic 0 4T LOG 1 Minilog 2 4T LOG Minilog 3 Minilog search arc 0 1 2 or 3 Start current level as of the welding current 5 40 Rest...
Page 16: ...nction allows to stop the arc during the downslope with a quick press from the switch Works only with 2T 0 Off 1 On d Alternative switch logic With this function it is possible to choose between four...
Page 17: ...5 20 seconds The factory setting is 10 seconds o Maximum setting for post gas time With this function you can set the post gas maximum time to the desired value in the range 15 99 seconds The factory...
Page 18: ...continuous overvoltage dangerous to the machine in the electric network Check the quality of the supply network E4 Power source overheating The power source has overheated The cause may be one of the...
Page 19: ...01 Solenoid valve Y001 Fan M002 Control card A001 Spark generator card A002 Panel card P001 Aux transformer T002 Membrane panel Main circuit card Z001 Choke L002 Shunt resistor R001 Spark transformer...
Page 20: ...when disconnected from the board with IGBT tester When replacing damaged IGBTs the whole set has to be replaced including gate resistors Discrete IGBT and secondary diodes tightening torque to the hea...
Page 21: ...aster II display says Connect Programmable Device connect DataMaster II 10 pin flat cable to welding machine panel card connector X10 and press CONTINUE 6 Wait so long time that programming that Datam...
Page 22: ...am version is showing nn display Membrane panel is broken Check membrane panel functionality Unconnect membrane connection from Panel card and check machine functionality The power source doesn t deli...
