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LORCH MicorMIG 300, Service Manual

The LORCH MicroMIG 300 is a high-quality welding machine that offers exceptional performance and versatility. To ensure optimal usage, we provide a comprehensive Service Manual available for free download at manualshive.com. This manual includes step-by-step instructions and valuable information to enhance your welding experience with this exceptional product.

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page 25

Overview DRV versions

In the past the software of the primary processor on the pc-board DRV was changed and improvments had been 

implemented. The different versions were marked manually on the grey bus-voltage foil capacitors.

marking

description

none

initial version

“S”

 -useage since week 21 2014

 -

power-up phase stabilized (switching of power-up relays)

“R17”

 -useage since week 11 2015

 -quicker balancing of bus-voltages

 -automatic reset of overvoltage error message

Summary of Contents for MicorMIG 300

Page 1: ...Service Manual MicorMIG 909 2130 1 10 ...

Page 2: ...pins for Minifit and Microfit connectors 5 Common Functions 6 Pc Board NEFI02 12 Pc Board NEFI04 13 Pc Board NEFI05 14 Pc Board NEFI07 15 Pc Board DRV03 DRV13 16 Pc Board SF02 18 Pc Board DRV05 DRV15 19 Pc Board DRV07 DRV17 22 Pc Board DC01 28 Pc Board DC03 29 Pc Board DC04 30 Pc Board MAPRO04 31 Pc Board DMR RT3 32 Pc Board DMRPP05 33 Pc Board SF18 36 Pc board SF23 38 Pc board SF24 40 Pc board SF...

Page 3: ...page 3 Machine 15 I I 0 0 14 16 7 8 6 9 1 5 4 3 2 1 11 12 13 10 I I 0 0 5 4 3 2 1 15 14 16 11 12 13 17 10 8 9 6 18 ...

Page 4: ...uments and equipment on energized circuits shall be permitted to perform testing work on electrical circuits or equipment were there is danger of injury from accidental contact with energized parts or improper use of the test instruments and equipment Use only original spare parts Replace immediately any components that are not in perfect condition Norms IEC 60974 4 In service inspection and testi...

Page 5: ...l up to 200kHz because the frequency is also used for controling the welding process Driving the transformer the primary side is a serial resonant circuit primary transformer coil in series with a capacitor and the secondary side is a parallel resonant circuit so that the control has an additional influence on the output voltage by shifting the frequency With this principle an almost ideal output ...

Page 6: ...ning continously selection Auto the water pump runs in automatic mode factory setting press knob A49 to confirm the new selection Front panel test press keys A2 and A14 at the same time all LEDs are on Master reset Basic BasicPlus switch off the machine press key A2 and keep it pressed switch on the machine with the key pressed release key A2 select parameter rSt with the left encoder press key Sa...

Page 7: ...page 7 Front panel MicorMIG BasicPlus A2 A14 A32 Front panel MicorMIG ControlPro A2 A14 A50 A32 A49 ...

Page 8: ...front panel is directly connected to the MAPRO At a wire feeder MF08 the front panel is connected to the DMR RT3 All front panels are designed for a supply voltage range of 15V to 24V DC The data communication is done via CAN bus only pins 2 and 3 of the flat ribbon cable The serial interface wires UART on pins 6 and 7 are only used for programming the microprocessor front panel software update ...

Page 9: ... and 0 9mm wire Thus the synergic selection panel were changed also wire feeder power source Schematic synergic selection panel 2 3 4 5 6 1 1 keys LEDs Since May 2017 there are locking clips available to keep the flat ribbon cables fixed at the front panels and pre vent a disconnection from the flat ribbon socket at the PCBs 773 0020 2 773 0021 2 ...

Page 10: ...re feeder are equipped with longer flat ribbon cables With this it is possible to use the wire feeder horizontally in a lying way and turn the front panel by 90 Picture pc board SF17 The pc board SF17 is used for illuminating the interior of the MF08 wire feeder and is connected to the front panel pc board connector X701 ...

Page 11: ...from 2017 the version Pulse was added front panel designation old part no designation new part no version pulse part no useage FP01 BF05 653 0062 5 BF25 653 0083 5 wire feeder Basic BF06 653 0048 5 BF26 653 0079 5 Basic Plus BF07 653 0049 5 BF27 653 0080 5 BF27 653 0107 5 Basic BF09 653 0051 5 BF29 653 0081 5 power source Basic Plus BF10 653 0052 5 BF30 653 0082 5 BF30 653 0109 5 ...

Page 12: ...s at the mains input had been replaced by types with higher voltage S20K620 Functions mains filter mains detection safeguarding control transformer 2 x 4 0A 500V slow Picture pc board NEFI02 X1 X2 LP2 LP1 LP3 LP7 LP5 LP6 LP14 PE LP15 PE Schematic 2 1 3 LP15 PE 6 5 7 4 8 11 12 L2 L1 L3 14 U Uz Uz X1 3 X1 1 X2 3 X2 1 SI1 SI2 mains ...

Page 13: ... the mains input had been replaced by types with higher voltage S20K620 Functions mains filter mains detection safeguarding control transformer 2 x 4 0A 500V slow Picture pc board NEFI04 X1 X2 LP2 LP1 LP3 LP7 LP5 LP6 LP14 PE LP15 PE Schematic 2 1 3 LP15 PE 6 5 7 4 8 11 12 L2 L1 L3 14 U Uz Uz X1 3 X1 1 X2 3 X2 1 SI1 SI2 mains ...

Page 14: ...had been replaced by types with higher voltage S20K620 Functions mains filter mains detection safeguarding control transformer 2 x 4 0A 500V slow power up function Picture pc board NEFI05 X2 X1 LP2 LP1 LP3 PE Schematic 2 1 3 LP15 PE 6 5 7 4 8 11 12 L2 L1 L3 14 U Uz Uz X1 3 X1 1 X2 3 X2 1 SI1 SI2 24 28 26 25 27 RE1 RE2 R7 R8 9 10 RE1 RE2 mains ...

Page 15: ...ilter mains detection safeguarding control transformer 2 x 4 0A 500V slow power up function Picture pc board NEFI07 A B X4 X6 X5 X3 X1 X2 Schematic PM1 B A DRV PM2 B A X6 X3 X4 X5 Q2 Q2 Q2 6 5 4 3 2 1 LP3 LP4 LP5 LP6 LP7 LP8 12V RE1 2 RE3 4 PE X1 1 X1 2 X2 3 X2 1 LP2 Q2 10 12 9 11 400 230 0 19 42 11 NEFI07 LP10 U Si1 Si2 ...

Page 16: ...onitoring mains voltage monitoring bus voltage LEDs LED state designation 1 red blinking 1 Hz normal operation blinking 3 Hz when switching off the machine no mains voltage present lit weak DSP not programmed off 3 3V supply voltage is missing Measuring points designation measuring point result bus voltage from rectifier X17 4 X17 1 Uz Uz ca 580 V DC bus voltage at the power modules D27 D28 Uz Uz ...

Page 17: ...R2 TR1 X17 LED1 B A temp sens DMR MAPRO MAPRO CAN CAN NEFI 2 3 4 1 R75 R78 D28 D27 SI3 SI1 SI4 Uz Uz X19 SI2 DIP1 aux transf sec fan aux transf prim PE prot Inside diagram power module ϑ 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 ...

Page 18: ...24Vext Si2 16V 11V X13 1 X13 3 Si4 16Vprim 3 3V Uz 5V 3 3V Fuses DRV13 fuse value Si1 24V 6 3 A Si2 24V ext 1 5 A Si3 60V 6 3 A Si4 16V 0 63 A Pc Board SF02 The pc board SF02 contains the primary resonance capacitors and is only used together with the pc board DRV03 Functions wiring primary transformer wires connecting resonance capacitors Picture pc board SF02 X4 4 5 2 3 1 ...

Page 19: ...mains voltage monitoring bus voltage LEDs LED state designation 1 red blinking 1 Hz normal operation blinking 3 Hz when switching off the machine no mains voltage present lit weak DSP not programmed off 3 3V supply voltage is missing Measuring points designation measuring point result bus voltage from rectifier X17 4 X17 1 Uz Uz ca 580 V DC bus voltage at the power modules T13 T14 Uz Uz ca 580 V D...

Page 20: ... X3 X4 Si4 Si2 Si3 Si1 T16 T17 T18 T19 X19 T12 T13 Uz T14 Uz T15 DIP1 Uz 2 Uz 2 Change from MOSFET to IGBT DRV05 Since the 10th of July 2015 since serial number 4062 2528 0021 6 only IGBTs are used for the MicorMIG 400 type old new T12 T15 MOSFET 711 2614 0 IGBT 711 0530 0 T16 T19 IGBT 711 2616 0 IGBT 711 0530 0 ...

Page 21: ...60V 24Vext Si2 16V 11V X13 1 X13 3 Si4 16Vprim 3 3V Uz Uz 5V 3 3V Uz Uz2 Uz Uz Uz2 µP X2 5 X2 6 DRV05 R75 D27 R78 D28 T12 T13 T14 T15 T16 T17 T18 T19 X19 4 X19 3 24Vext X3 12 X3 9 the connector X19 was later renamed to X2 Fuses DRV15 designation value Si1 24V 6 3 A Si2 24V ext 1 5 A Si3 60V 6 3 A Si4 16V 0 63 A ...

Page 22: ...ing coding power unit monitoring mains voltage monitoring bus voltage LEDs LED state designation 1 red blinking 1 Hz normal operation blinking 3 Hz when switching off the machine no mains voltage present lit weak DSP not programmed off 3 3V supply voltage is missing Measuring points designation measuring point result bus voltage from rectifier X21 X24 Uz Uz ca 580 V DC supply voltage 24V X6 2 X7 2...

Page 23: ...page 23 Picture pc board DRV17 X3 X1 X4 X19 X6 X2 X17 X31 X29 X18 X20 X30 X24 Uz X21 Uz A B B A 4 3 1 2 A B X11 X7 X5 X8 X16 X12 X9 X14 X13 X15 LED1 SI4 SI1 SI3 X26 DIP1 Uz Uz Uz 2 Uz 2 ...

Page 24: ...5 3 Si1 Si3 24V 60V 24Vext Si2 16V 11V X13 1 X13 3 Si4 16Vprim 3 3V Uz Uz 5V 3 3V Uz Uz2 Uz Uz Uz2 µP X17 1 X17 3 DRV17 T12 T13 T14 T15 T16 T17 T18 T19 X2 5 X2 6 3 4 1 2 X19 4 X19 3 24Vext X3 12 X3 9 Fuses DRV17 designation value Si1 24V 6 3 A Si3 60V 6 3 A Si4 16V 0 63 A ...

Page 25: ...been implemented The different versions were marked manually on the grey bus voltage foil capacitors marking description none initial version S useage since week 21 2014 power up phase stabilized switching of power up relays R17 useage since week 11 2015 quicker balancing of bus voltages automatic reset of overvoltage error message ...

Page 26: ...ation of filter for bus voltage measuring V1 08 V1 10 useage since week 18 2017 multivoltage 3 phase 230V 400V preparation for generator use V1 11R useage since week 30 2018 fully fit for generator use since week 40 2018 new terminals for transformer wires and supply ...

Page 27: ...the software of the MAPRO board version 2 02 for Master and Process firmware needed to be changed That is why the new DRV boards are NOT compatible with the MAPRO software 1 xx If a old DRV0x board needs to be replaced by a new DRV1x board it is absolutely necessary that the MAPRO needs to be updated to minimum version 2 02 previous board replaced by new part no DRV03 DRV13 981 1219 0 DRV05 DRV15 ...

Page 28: ... wiring secondary diodes connecting resonance capacitors providing output voltage for measuring Measuring points designation measuring point result output voltage X2 5 X2 1 80V DC only at machines with no VRD at machines with activated VRD the VRD voltage is measured Picture pc board DC01 X1 X2 Schematic Rshunt X2 2 1 4 3 5 MAPRO X1 ...

Page 29: ...secondary diodes connecting resonance capacitors providing output voltage for measuring Measuring points designation measuring point result output voltage X2 5 X2 1 80V DC only at machines with no VRD at machines with activated VRD the VRD voltage is measured Picture pc board DC03 X2 X1 PE Schematic Rshunt X2 2 1 4 3 5 MAPRO X1 DC03 ...

Page 30: ...Functions wiring secondary diodes connecting resonance capacitors providing output voltage for measuring Measuring points designation measuring point result output voltage X2 5 X2 1 80V DC only at machines with no VRD at machines with activated VRD the VRD voltage is measured Picture pc board DC04 D9 D8 D7 X2 D6 X1 ...

Page 31: ...rent voltage communication operating elements front panel remote control Picture pc board MAPRO04 X2 X7 X1 X6 X4 X5 X8 Change MAPRO04 since July 2015 X4 X5 X2 X7 X1 X6 X8 Overview connectors pc board MAPRO04 connector designation X1 connector flat ribbon cable to pc board DRV X2 connector flat ribbon cable to dront panel X5 connector shunt resistor and pc board DC0x X6 connector water sensor only ...

Page 32: ...corprocessor not working blinking until software version 1 11 malfunction LorchNet CAN bus from software version 1 12 on normal operation lit weak micro processor not programmed on micro processor detected a fault 2 green on 5V supply voltage ok off 5V supply voltage missing 3 green on wire retract active off normal wire feed Picture pc board DMR RT3 X11 X10 X4 X5 X1 X13 X3 X12 X20 X7 X6 X8 X9 X14...

Page 33: ...motor as well as the Push Pull motor driving the solenoid valve monitoring control elements front panel torch trigger switch LEDs LED state designation 1 red off DSP is ok lit bright pc board is in programming flash mode DIP switch 1 is set to ON lit weak DSP is not programmed 2 green on 5V supply voltage ok off 5V supply voltage is missing 3 green blinking DSP is working lit continously wrong con...

Page 34: ...page 34 Picture pc board DMRPP05 LED2 S1 X14 X15 X17 X13 X16 X9 X8 X6 X20 X1 X5 X4 X12 X11 X10 X18 X3 X2 LED1 LED1 LED2 LED3 LED3 X1 X2 ...

Page 35: ...page 35 ...

Page 36: ...or not programmed blinking irregular LorchNet CAN bus error blinking synchronous with LED2 flowrate too low 0 3 l min 2 green off status not ok blinking Status blinking with 1Hz if pump off LED is blinking with short pulses if pump on LED is blinking with long pulses 3 green on 5V supply voltage ok off 5V supply voltage missing Picture pc board SF18 X10 X2 X3 X9 X5 X4 X6 X8 X1 X7 LED3 5V LED2 Stat...

Page 37: ...X7 3 X7 4 CAN gnd SF18 X1 1 X1 2 X1 3 X1 4 5V CAUTION Because the pc board SF18 is no longer produced and not available as spare part the pc board SF23 is used instead in case of a repalcement The pc board SF23 is the standard control board for the water cooling unit of the Robo MicorMIG and is also part of the retrofit kit Water Detection MicorMIG 570 8066 0 ...

Page 38: ...board SF23 X10 X9 X3 X2 X4 X5 X6 X8 X1 X7 X11 LED6 LED4 LED2 LED1 LEDs LED state designation 1 red off status ok on weak processor not programmed blinking iregularly LorchNet error blinking synchronous to LED2 coolant flowrate too low 0 3 l min 2 green off status not ok blinking status blinking with 1 Hz if pump off LED is blinking with short pulses if pump on LED is blinking with long pulses 4 gr...

Page 39: ... 1 X7 2 X7 3 X7 4 CAN gnd X1 1 X1 2 X1 3 X1 4 5V 10V Connector Function X1 1 5V DC supply X1 2 sensor input flow rate 0 3 liter minute pins X1 2 and X1 3 are open error message E05 flow rate 0 3 liter minute pins X1 2 and X1 3 are closed X1 3 gnd X1 4 activation sensor input with 5V bridge to X1 1 the sensor input X1 2 is active Picture water sensor ...

Page 40: ... the pc board DRV was changed implementation of connector X19 to drive the relay on the SF24 Since January 14th 2016 with the introduction of cooling water detection the SF24 was replaced with the pc board SF27 Picture pc board SF24 X4 X5 X9 X10 X7 X2 X3 Schematic pc board SF24 400 230 0 X2 X3 400V 400V RE1 X10 6 X10 2 X10 3 X10 5 X10 1 Si2 1A Si1 2 5A X4 X5 P M X9 2 X9 1 24V RE1 X7 4 X7 3 X7 2 X7...

Page 41: ...detection The sensor can only detect if water is flowing or not It cannot measure the flow rate Picture pc board SF27 X10 X9 X4 X5 X3 X2 X8 X7 X6 Schematic pc board SF27 400 230 0 X2 X3 400V 400V RE1 X10 6 X10 2 X10 3 X10 5 X10 1 Si2 1A Si1 2 5A X4 X5 P M X9 2 X9 1 24V RE1 X7 4 X7 3 X6 1 X6 2 SF27 15V X8 1 X8 3 ...

Page 42: ...wing water not flowing has been raised by 10 Kelvin Fur thermore the fuse SI2 has been changed 1 25A instead of 1A because at the same of the switch to SF37 the autotransformer was changed to a stronger version Schematic pc board SF37 400 230 0 X2 X3 400V 400V RE1 X10 6 X10 2 X10 3 X10 5 X10 1 Si2 1 25A Si1 2 5A X4 X5 P M X9 2 X9 1 24V RE1 X7 4 X7 3 X6 1 X6 2 SF37 15V X8 1 X8 3 1 25A ...

Page 43: ...ard a more powerful transformer was used A retrofit kit is available for older systems 981 8131 0 This includes an adapter plate adaptation to the hole pattern of the old transformer and the 1 25A fuse for the SF27 pc board old transformer 655 8106 0 new transformer 655 8109 0 ...

Page 44: ...t microprocessor it was still connected to the pc board DRV but not to the CAN bus any more It must be connected to the separate X19 connector Since January 28th 2016 all MicorMIG machine are equipped with a water flow sensor for monitoring the cooling unit For this the SF24 was replaced by the SF27 On the pc board SF27 is a new connector for the water flow sensor Connection SF18 SF23 Connection S...

Page 45: ... 7 X2 8 X6 3 X6 4 X7 3 X7 4 X11 3 X11 4 Connection diagram water cooling unit SF24 24V X19 3 RE1 X19 4 X3 12 X3 9 X1 9 X1 12 FPGA X7 3 X7 4 400 230 0 X2 X3 400V 400V RE1 X10 6 X10 2 X10 3 X10 5 X10 1 Si2 1A Si1 2 5A X4 X5 P M X9 2 X9 1 MAPRO DRV SF24 Connection diagram water cooling unit SF27 24V X19 3 RE1 X19 4 X3 12 X3 9 X1 9 X1 12 FPGA X7 3 X7 4 400 230 0 X2 X3 400V 400V RE1 X10 6 X10 2 X10 3 X...

Page 46: ...2 X4 1 X1 16 X1 10 X2 3 X2 4 FPGA 3 3V DSP MAPRO DRV X7 4 X7 5 RS485 RS485 10kΩ 25 C X3 16 X3 10 ϑ TM1 ϑ TM2 Uz Uz Schematic MicorMIG 400 500 µP ϑ X4 2 X4 1 X1 16 X1 10 X2 3 X2 4 FPGA 3 3V DSP MAPRO DRV X7 4 X7 5 RS485 RS485 10kΩ 25 C X3 16 X3 10 3 3V Uz ϑ X18 2 X18 1 ...

Page 47: ...me The effective limit is depending on the actual current setting that means if the machine is used with a welding current below the 100 duty cycle the E01 04 can never come up sensor code limit monitoring output diodes E01 01 ca 80 C MAPRO primary modules E01 02 ca 70 C DRV middle heatsink temperature E01 04 current depending MAPRO If one of the sensors should be faulty or disconnected from the m...

Page 48: ...signation X19 was later renamed into X2 In general the values of both bus voltages at the power modules TM1 and TM2 are equal symmetrical If there should be a difference 60V the machine stops with E33 01 Unsymmetrical bus voltage If a difference 60V is detected during startup the machine stops with E33 02 Unsymmetrical bus voltage Startup As soon as the difference gets below 60V the error code is ...

Page 49: ... water tank that is washed around by the cooling water of the return flow The sensor is a self heating sensor the temperature is decreasing as soon as the water is flowing over it If the water is not flowing the temperature of the sensor is kept stable If the pump is running and a flow of the water cannot be detected for longer than seven seconds the machine stops with the error message E05 Schema...

Page 50: ...activated shortly and the output voltage is measured If there is no output voltage during driving the power unit the machine stops with E12 00 Power unit error Startup The reason can be a fault in the measuring path or a fault in the primary driver e g interchanged transformer wires at the pc board SF02 If a machine is used too far off the normal welding characteristic it will stop after the machi...

Page 51: ...nctions normally When switching between to a different welding mode like MMA stick electrode or TIG the open circuit voltage generator is stopped and started again If no voltage is measurable after the re start the machine stops with the error code E25 02 Monitoring welding current The welding current is measured directly via the DSP of the MAPRO using a shunt resistor Parallel to this the FPGA of...

Page 52: ...MIG Because of this a identification cable bridge at connector X13 pins 5 and 11 is needed to indicate that the DMR RT3 is used in a MicorMIG machine This cable must always be present at every MicorMIG machine Schematic M G 24V DRV 60V µP X11 X10 5V X5 1 X5 4 X5 2 X5 3 Tacho ON Tacho Signal LED3 X8 1 X8 2 X8 3 X8 4 X8 5 X8 6 X8 7 X8 8 CAN 60V 24V 5V LED2 LED1 DMR RT3 X20 1 X20 2 X20 3 X20 4 24V X1...

Page 53: ...CAN high CAN low 24V gnd 1 2 1 4 3 6 5 8 7 10 9 2 1 4 3 2 1 4 3 6 5 8 7 2 1 4 3 2 1 4 3 6 5 2 1 12V 24V 5V 10 11 12 13 14 16 7 8 15 3 4 9 6 5 1 2 1 2 1 2 3 4 24V M X6 2 1 X12 2 1 3 DMRPP C 5V temp Koffer aktiv Vorschub Motor Kollisionsschutz Gastest Drahteinlauf Kollisionsschutz Gastest Draht einlauf Lüfer Draht rückzug Drahtende Sensor Ausblaß ventil Gas ventil Kaltdraht Sensor Brenner interface ...

Page 54: ...1 X15 2 X2 1 X2 2 X9 1 X9 2 X12 1 X12 2 X16 1 X16 2 DRV X7 2 X7 6 MAPRO DMR X8 5 X8 6 X8 1 X8 2 X8 8 CAN CAN CAN fan X11 1 X11 2 X7 1 X7 2 X6 1 X6 2 PE mon Schematic MicorMIG 400 500 L1 L2 L3 2 1 3 6 5 7 4A 500V NEFI 19V 42V X5 2 X5 1 X5 4 X5 3 Si1 Si3 24V 60V 24Vext Si2 16V 11V X13 1 X13 3 Si4 16V prim 3 3V prim Uz 5V 3 3V X1 1 X1 3 X1 5 X1 6 X1 8 X1 1 X1 2 X15 1 X15 2 X2 1 X2 2 X9 1 X9 2 X12 1 X...

Page 55: ...the machines stops with E30 Configuration code designation cause E30 04 configuration primary the measured bus voltages do not match the actual saved configuration E30 05 error configuration error when reading the configuration no valid data present or data is corrupted E30 06 configuration software the actual software does not fit to the hardware R25 R26 R27 configuration DIP1 DIP2 configuration ...

Page 56: ...hines stops with the error code E32 01 Overcurrent FPGA or E32 04 Overcurrent IPMax Schematic MicorMIG 300 350 Uz Uz2 X2 5 X2 6 DRV13 MAPRO X7 7 X7 8 FPGA DSP TM1 TR2 1 2 3 SF02 Schematic MicorMIG 400 X2 X21 Uz Uz2 X2 5 X2 6 T14 T15 T18 T19 DRV15 MAPRO X7 7 X7 8 FPGA DSP Schematic MicorMIG 500 2 1 Uz Uz2 X2 5 X2 6 T12 T13 T16 T16 DRV17 MAPRO X7 7 X7 8 FPGA DSP X17 1 X17 3 ...

Page 57: ...m stops with E32 02 Timeout Especially with the MicorMIG 500 the current direction of the primary current sensor must be set to the correct mounting position The black connecting lead of the sensor must point in the direction of the cable shoe of the transformer lead If the sensor is mounted incorrectly rotated by 180 this would also result in fault message E32 02 ...

Page 58: ...34 00 error fan current machine max current MicorMIG 300 350 2 5A for longer than 0 9 seconds MicorMIG 400 500 3 5A for longer than 0 9 seconds Schematic DSP X1 14 X1 13 X3 14 X3 13 16V 1 2 M DRV shunt X9 X12 X16 16VDRV I MAPRO DRV Mains Monitoring The three mains phases are monitored by the DSP on the DRV If during welding the mains cannot be detected the machine stops with the error code E41 01 ...

Page 59: ... the welding process like pressing the trigger switch at the torch energy setting 4 analog input for setting the welding energy e g via a potentiometer 0V min energy setting of the actual selected welding program 10V max setting of the actual selected welding program CAUTION the analog input is only valid when the identification external at the pins 6 and 7 is ac tive identification external 6 as ...

Page 60: ...onnect adapter box 570 4030 0 is necessary It provides the LorchNet interface potentially separated for external use With the software tool Lorch System Manager software updates can be made or the list of the last error mes sages can be read out MicorMIG LorchNet Connect CAN Dongle ...

Page 61: ...be exchanged Measuring the CAN bus at the MAPRO Result about 60k ohm each CAN_LOW GND CAN_HIGH Measuring the CAN bus at the front panel Result 50k ohm 60k ohm each CAN_LOW GND CAN_HIGH Measuring the CAN bus at the DMR RT3 Result about 490k ohm each CAN_LOW GND CAN_HIGH Measuring the CAN bus at the DMRPP05 Push Pull DMR is different there the result is about 0 9k ohm by standard A faulty CAN contro...

Page 62: ...ut the data follow these steps Basic BasicPlus switch off the machine press the menu button upper left button and keep it pressed switch on the machine release the menu button ControlPro switch off the machine press the menu button A50 and keep it pressed switch on the machine with the button pressed release the menu button A50 The machine shows nFc Act at the front panel In this condition a smart...

Page 63: ... data follow these steps switch off the machine press the menu button and keep it pressed switch on the machine release the menu button The QR code is displayed at the front and can be scanned with a smartphone Since software version 2 02 the start menu can also be accessed without switching off the machine press and hold the keys A2 and A32 after about 3 seconds the start menu is displayed ...

Page 64: ...orrect data card not from Lorch Use a suitable NFC card nFc H16 Invalid signature Data error no valid Lorch signature Use a suitable NFC card nFc H30 Upgrade already installed Update already performed nFc H31 Invalid customer number Welding program created for another customer Use a suitable NFC card nFc H32 Invalid product family NFC card not suitable for this product family series Use a suitable...

Page 65: ...of pump and sensor for details see page 49 and page 45 E06 00 Overvoltage secondary The DSP of the MAPRO measured a too high output voltage 100V check wiring of the power unit to pc board DC0x X2 check wiring between MAPRO X5 and DC0x X2 check flat ribbon cable between DRV and MAPRO for details see page 50 E06 01 Overvoltage secondary FPGA The FPGA of the MAPRO measured a too high output voltage 1...

Page 66: ... circuit voltage could be meas ured when switching to MMA or TIG E27 00 No program or missing process Welding programs are not present or missing reprogram the machine exchange MAPRO if necessary E30 04 Configuration primary The measured bus voltages are not matching the actual configuration check wiring at X17 of the DRV check configuration resistors on DRV for details see page 55 E30 05 Configur...

Page 67: ...nd 2 is 60V at startup E34 00 Fan current The current consumption of the fans is too high check fans and their wiring for details see page 58 E41 01 Mains loss The primary DSP couldn t detect a mains supply check mains supply check wiring between NEFI and DRV X14 for details see page 58 E48 00 End of Demo mode The maximum test time of the demonstra tion mode has ended Restart the machine Lines in ...

Page 68: ...Lorch Schweißtechnik GmbH Im Anwänder 24 26 71549 Auenwald Germany Tel 49 0 7191 503 0 Fax 49 0 7191 503 199 info lorch eu www lorch eu ...

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