mg062-2 servisní manuál service manual alfin 150 tp
Contents
1. Ultima modifica Last Update 18 03 2008 Rev0 pagina 13 di 15 150 TURBO 150 Tester or digital millimetre OL means Open Loop co LLI aa Ultima modifica Last Update 18 03 2008 Rev0 pagina 14 di 15 MG062 2 SERVISN MANU L SERVICE MANUAL ALFIN 150 TP Vypracoval P ezkoumal Schv lil Worked out ZM Inspected ZM Approved N2. please shut off the supply power and wait for 5 minutes until capacity voltage already drops to safe voltage 36V 2 BLOKOVE SCHEMA ELECTRICAL PRINCIPLE DRAWING ALFA IN a s SERVISN TECHNICK DOKUMENTACE UE MG062 2 SERVISN MANUAL SERVICE MANUAL ALFIN 150 TP page L N 230VAC 50Hz ER q 8 8 a INTERRUTTORE MAINS SWITCH 1090670694921 11 GIALLO VERDE YELLOW GREEN MARRONE BROWN BLU BLUE MARRONE BROWN OVI ONAN F 050 0012 0001 00000000 OOOO 9 0 0 0 0 6 6 6 6 0 0 0 8 0 866 88 OOO0000 OOOO OOO OOOO tee 9 ee ee ee ALFA IN a s SERVISN TECHNICK DOKUMENTACE MG062 2 SERVISN MANUAL SERVICE MANUAL ALFIN 150 TP page 3 N HRADN D LY SPARE PARTS 3 a Uf SERVISN TECHNICK DOKUMENTACE ALFA IN a s MG062 2 S
3. dr tem Zkontrolujte pr chodnost mezi obj mkou a vodi i bo n ku Thermal protection device Output voltage ALFA IN a s SERVISN TECHNICK DOKUMENTACE MG062 2 SERVISN MANU L SERVICE MANUAL ALFIN 150 TP page 6 Vstupn usm r ova na silov desce Pro kontrolu m stku zm te tento podle n sleduj c tabulky testerem diod erven ern Nam en vodi vodi hodnota Pro kontrolu tranzistor zm te tyto podle n sleduj c tabulky testerem diod 6 5 06 Hodnoty jsou orienta n Nam te li zkrat nebo rozpojen obvod OL je nutn PCB vym nit ALFA IN a s SERVISN TECHNICK DOKUMENTACE MG062 2 SERVISN MANUAL SERVICE MANUAL ALFIN 150 TP page7 2 Varistor je bl zko vstupu 9 nap jeciho nap ti na silovou PCB Toto za zen slou k ochran PCB p ed vstupn m p ep t m P i p ep t exploduje a zkratuje vstup Je li rozsah zkratu velmi vysok obvod se p eru Pro kontrolu tranzistor zm te podle n sleduj c tabulky testerem diod 6 D 05 9 5 OL 0 S 06 Hodnoty jsou orienta n Nam te li zkrat nebo rozpojen obvod OL je nutn PCB vym nit ALFA IN a s SERVISN TECHNICK DOKUMENTACE MG062 2 SERVISN MANU L SERVICE MANUAL ALFIN 150 TP page 8 Digit ln multimetr OL ozna uje p eru en obvod ALFA IN a s SERVISN TE
4. CHNICK DOKUMENTACE 150 TURBO 150 CAUTION Before carrying out any work on the machine make sure it is off and the plug has been dis connected PROBLEM CASE SOLUTION The machine does not Electrical power does not reach the ma Make sure the line switches are closed the switch on chine protection devices fuses have not been enabled and that the power supply cable is intact Switch the machine off and disconnect the Voltage reaches the machine switch but plug Make sure that when the switch is there is no voltage after the contacts closed there is continuity between the contact input and output and that the varis tor is not broken picture 4 If it s dama There is voltage after the disconnecting ged the Power Board must be replaced switch but the machine does not go on Switch the machine off and disconnect the plug Check the mosfet of the switching power supply unit on the power board picture 5 The protection devices Damaged power supply cable with short Switch off the machine and disconnect the of the line set off when circuited wires plug Make sure that there are no short cir the switch is activated cuits between the poles of the plug caused by a damaged power supply cable and the machine does Inverter is damaged Switch off the machine disconnect the not go on plug and check varistors picture 4 inverter picture 3 Input bridge rectifier picture 2 switching power supp
5. ERVISN MANU L SERVICE MANUAL ALFIN 150 TP page 4 Poz K d CODE N zev DESCRIPTION 015 001 0002 Chladi L 50 Alfin140ET HEAT SINK L 50mm 6 1012 001 0000 Dr k vnit n 140ET INTERNAL FRAMEWORKS 8 1013 015 0001 Panel p edn n lepka A150 FRONT LABEL gt Rychlosp 10 25 panel FIXED SOCKET 200A AO 20510 samice 012 001 0150 Panel p edn Alfin150M Knofl k ALFIN modr KNOB 11 014 002 0011 1980 M 012 001 0006 Kryt spodn Alfin150 040 003 1080 Termostat Alfin140ET Propoj kladn ho p lu COPPER BRACKET 14 045 006 0002 Alfin140E 015 001 0003 Chladi L 75 Alfin140ET 16 032 002 0255 Usm r ova v stupn Alfin DIODE DOUBLER OVERCUT 17 050 001 0043 PCB 150TP BOARD 003 002 0001 Ventil tor Alfin 046 004 0003 Izol tor pod PCB HF ELECTRICAL INSULATION Panel zadn Alfin 140 150 REAR PLASTIC PANEL 20 012 001 0102 M 045 000 0001 V vodka Alfin ALFA IN a s SERVISN TECHNICK DOKUMENTACE MG062 2 SERVISN MANUAL SERVICE MANUAL ALFIN 150 TP page 5 4 KONTROLA SILOV PCB CHECKING THE POWER PCB Pozice kontakt v konektoru e teplotn idlo lut dr ty pozice 2 5 e dr t pro sn m n v stupn ho nap t erven pozice 3 e dr ty bo n ku pozice 1 4 6 pin connector Zkontrolujte spojen kontakt tepeln ochrany pomoc testeru diod teplota chladi e nesm b t vy ne 40 C Zkontrolujte spojen mezi obj mkou a erven m
6. MG062 2 SERVISN MANU L SERVICE MANUAL ALFIN 150 TP page 1 SERVISN MANU L ALFIN 150 TP SERVICE MANUAL ALFIN 150 TP 1 VAROV N UPOZORN N Pouze osoba spl uj c kvalifikaci danou z konem je opr vn na opravovat stroj P ED OTEV EN M KRYTU STROJE JEJ ODPOJTE VYTA EN M S OV VIDLICE ZE S T Ka d 4 m s ce otev ete stroj a jemn ho vyfoukejte stla en m such m vzduchem POZOR NEPOUZIVEJTE STLA EN VZDUCH O P LI VYSOK M TLAKU ABY NEDOSLO K MECHANICK MU POSKOZEN ELEKTROSOU STEK Ka d 4 m s ce zkontrolujte dn stav sva ovac ch kabel a s ov ch kabel Nen povolena dn modifikace sva ovac ho stroje Pro Va i bezpe nost je nutn pose kat se sund n m krytu ze stroje po odpojen ze s t po dobu minim ln 5 minut kdy klesne nap t na kondenz torech na hodnotu pod 36 V WARNING NOTE Only trained personnel are permitted to work inside the machine BEFORE OPENING THE MACHINE CUT OFF ITS ELECTRICAL POWER BY REMOVING THE PLUG FROM THE MAINS SUPPLY SOCKET Every six months open the machine and clean it inside using compressed dehumidified air CAUTION DO NOT USE COMPRESSED AIR AT TOO HIGH A PRESSURE YOU COULD DAMAGE THE ELECTRONIC COMPONENTS With the same frequency check the welding cables and the supply cables No modification of any type may be made to the welding machine For safety while maintaining the machine
7. connect the plug Remove the hood and make sure the temperature of the heat sink tool is less than 40 C If itis less than 40 C check whether the thermal protective device contacts are normally closed If one of the protection devices is always opened it is defective it must be accordingly replaced If itis closed make sure the two terminals are well inserted in the connector picture 1 Power board feed problems it must be accordingly replaced The output voltage in each procedure is about 14V and enabling of the thermal protection de vice Switch the machine off and disconnect the Switch off the machine and disconnect the plug Check for a short circuit at the DINSE plug Remove the snubber board above the plug with a diode tester A short circuit may Power Transformer be caused by damaged diodes The output voltage in MMA is zero check with a diode tester the status of the diodes If they are damaged they must be replaced Check with a diode tester the status of the voltage doubler if it s damaged it must be replaced Check the status of the Power Board picture 3 The Power Transformer must be replaced Damaged voltage doubler Damaged inverter The inductive value of the Power Trans former is null The output voltage in MMA is not 90 V The voltage doubler is damaged The Power board 0001 is damaged The Front Panel is damaged The shunt wires are damaged or no
8. ly unit picture 5 If one of these components is damaged replace the power board The front panel does The fan works but the front panel does Switch off the machine and disconnect the not switch on not go on plug Make sure the flat cable that con nects the front panel to the power board is inserted correctly correctly inserted re place the front panel If the front panel does not go on one of the switching power supply unit outputs is broken Therefore the power board must be replaced Both the fan and the front panel do not Switch off the machine disconnect the Work plug and check the mosfet of the switching power supply unit picture 5 Ultima modifica Last Update 18 03 2008 Rev0 pagina 9 di 15 150 TURBO 150 PROBLEM CASE SOLUTION The MMA TIG output The output voltage cable that goes to the Switch off the machine and disconnect the voltage is about 10V Power Board is interrupted plug and the machine does Make sure that the wiring contact is cor rectly inserted in the connector picture not weld 1 Check for continuity between the out put outlets and that the 6 path connector is connected to the power board The primary current alarm on the power The power board must be replaced board Is activated Wait a few minutes keeping the machine on to favour cooling of the inverter If the ma chine continues running with the protection devices on switch the machine off and dis
9. ss than 40 C Check the continuity between socket and the red wire so cket and the shunt LLI o Thermal protection device Input bridge rectifier on the power board To check the Input bridge rectifier carry out the following measurements with a diode tester CN u Fason Probe Probe Measure R Reso 95 ov 2 E Re 90 so Should there be a short circuit on one of these measurements the input bridge rectifier must be replaced Ultima modifica Last Update 18 03 2008 Rev0 pagina 12 di 15 150 TURBO 150 To check the inverter carry out the following measurements with a diode tester C koupon Bick Probe 6 f e os E TT PICTURE 3 Should there be a short circuit on one of these measurements or an OL instead of a numeric value the power board must be replaced The varistor is a blue disc near the ground wire of the power board This device is for protecting the board from input overvoltage When there is overvoltage it explodes causing a short circuit most of the times If the extent of the short circuit is very high they become an open circuit PICTURE 4 To check the mosfet of the switching power supply unit carry the following measurements with a diode tester PICTURE 5 should there be a short circuit on one of these measurements for an OL instead of a numeric value the power board must be replaced
10. t cor rectly inserted in the 6 pin connector Ultima modifica Last Update 18 03 2008 Rev0 Replace the damaged components or the damaged boards Connect the cables or if damaged replace them pagina 10 di 15 150 TURBO 150 PROBLEM CASE SOLUTION The welding is non opti Spattering occurs during welding Make sure welding polarity is correct the mal earth clamp is fixed correctly When welding the pro Make sure the welding current does not re Decrease the welding current tection devices of the quire greater power than the one supplied line set off by the line The machine always The Front Panel is damaged Switch off the machine and disconnect the welds at maximum cur The Power Board is damaged plug The Front Panel must be replaced The shunt wires are damaged or not cor The Power Board must be replaced rectly inserted in the 6 pin connector Connect the cables or if damaged replace them picture 1 The doubler board is damaged The doubler board must be replaced rent Ultima modifica Last Update 18 03 2008 Rev0 pagina 11 di 15 150 TURBO 150 Position of the connector in which they are inserted thermal protection device yellow wires position 2 5 Wire for the output voltage reading position 3 red Shunt wires position 1 4 6 pin connector Check the continuity of contact of the thermal protection de vice with the diode tester with the heat sink tool temperature le
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