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MG022-2 SERVISNÍ MANUÁL / SERVICE MANUAL ALFIN 160-161 MF

page 12

ALFA IN a. s. ©

SERVISNÍ TECHNICKÁ DOKUMENTACE

O

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Digitální multimetr. "

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erušený obvod

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10
11
12
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14
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Summary of Contents for 160 MF

Page 1: ...va 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 NOTE Only trained p...

Page 2: ...MG022 2 SERVISN MANU L SERVICE MANUAL ALFIN 160 161 MF page 2 ALFA IN a s SERVISN TECHNICK DOKUMENTACE voltage 36V 2 BLOKOV SCH MA ELECTRICAL PRINCIPLE DRAWING...

Page 3: ...MG022 2 SERVISN MANU L SERVICE MANUAL ALFIN 160 161 MF page 3 ALFA IN a s SERVISN TECHNICK DOKUMENTACE...

Page 4: ...MG022 2 SERVISN MANU L SERVICE MANUAL ALFIN 160 161 MF page 4 ALFA IN a s SERVISN TECHNICK DOKUMENTACE 3 N HRADN D LY SPARE PARTS...

Page 5: ...CONNECTOR BOARD 1 16 AO 20501 Rychlospo 10 25 kabel MOVABLE PLUG 200A 1 17 012 0004 0010 P edn plastov r m FRONT 1 18 017 0002 0806 Hadice plynov GAS PIPE 1 19 040 0003 1080 Termostat tepeln ochrany T...

Page 6: ...entil tor FAN 1 45 2686 Plastov pant PLASTIC HINGE 2 46 011 0000 0201 Otev rac kryt posuvu DOOR 1 47 042 0003 0001 Silov transform tor TRANSFORMER 1 4 Z VADY E EN Po Z vada P ina e en LED nebo jej p i...

Page 7: ...nebo p idejte zemn c kabel na opa nou stranu sva ence P eh t Stroj p li zat en Po kejte a se stroj vychlad 10 LED ALARM sv t Ochrana p ep t Nestandardn proud na hlavn m obvodu Otestujte a opravte hlav...

Page 8: ...ged Repair or change the potentiometer 8 The penetration of molten pool is not enough MMA The welding current adjusted too low Increase the welding current Airflow disturbance Use the shelter from air...

Page 9: ...o nap t erven pozice 3 dr ty bo n ku pozice 1 4 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 dr tem Zk...

Page 10: ...e Pro kontrolu m stku zm te tento podle n sleduj c tabulky testerem diod erven vodi ern vodi Nam e n hodnota F D OL D F 0 450 D F OL F D 0 450 Obr zek 4 Pro kontrolu tranzistor zm te tyto podle n sled...

Page 11: ...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 Obr zek 6 Pro kontrolu tranzistor zm te podle...

Page 12: ...MG022 2 SERVISN MANU L SERVICE MANUAL ALFIN 160 161 MF page 12 ALFA IN a s SERVISN TECHNICK DOKUMENTACE Obr zek 7 Digit ln multimetr OL ozna uje p eru en obvod...

Page 13: ...tween the contact input and output and that the varis tor is not broken In case the Poewer Board must be replaced picture 5 Switch the machine off and disconnect the plug Check the mosfet of the switc...

Page 14: ...anel picture 1 The power board must be replaced The output voltage in each procedure is about 11V and enabling of the thermal protection de vice Wait a few minutes keeping the machine on to favour coo...

Page 15: ...ne has been exceeded Decrease the value of the welding parame ters Non optimal MIG weld ing start Spattering occurs on starting and crackling Increase post gas to decrease the oxidation status of the...

Page 16: ...rd is damaged The shunt wires are damaged or not cor rectly inserted Switch off the machine and disconnect the plug The Front Panel must be replaced The Power Board must be replaced Connect the cables...

Page 17: ...uity of contact of the thermal protection de vice with the diode tester with the heat sink tool temperature less than 40 C Check the continuity between socket and the shunt socket and the output volta...

Page 18: ...rt 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 discs near the ground wire of the power board This device is necessa...

Page 19: ...wer supply unit carry the following measurements with a diode tester 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 T...

Page 20: ...MG022 2 SERVISN MANU L SERVICE MANUAL ALFIN 160 161 MF Vypracoval Worked out DJ 15 4 2010 P ezkoumal Inspected DJ 15 4 2010 Schv lil Approved VS 15 4 2010...

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