repgysmi183维修手册含电器原理图

GYS Welding machine Charger BoosterGYSMI 183 Page 1File of Breakdown Service of the Welding machine GYSMI 183SYNOPSYS1)Preliminary analyse and advice on the GYSMI 1831.1)REMINDER ABOUT SAFETY1.2)THE GENERAL ADVICE ON THE INTERVENTION(INTERNET PAGE21.3)THE USEFUL ADVICE FOR THE CONTINUATION OF THE DIAGNOSIS OF THE BREAKDOWNS22)Diagnoses of the most usual breakdowns on the GYSMI 18322.1 THE WELDING MACHINE DOES NOT START:2.1.a)Control of transil Diodes:32.1.b)Control the surge garde or the resistor of start:2.2 THE WELDING MACHINE TRIP THE MAIN SUPPLY:32.2.a)Control ofSMI insulation between of earth2.2.a)Check the Input varistor(VDR):2.3)THE WELDING MACHINE START:2.3.a)the fans don't start:2.3.b)the welding machine start and the indicator are breakdown:2.4)THE WELDING MACHINE START BUT DON'T WELDING:42.4.a)the green led in the face is light,not current in the output of welding:3)Procedure of breakdown service of the GYSMI 1833.1)CHECK THE HIGH POWER SUPPLY VCC_HAUT 15V:53.2)CHECK THE POWER SUPPLY 24V53.3)CHECK THE LOW POWER SUPPLY 15V53.3.a)Check the Generator PWM63.3.b)Check the current limitationG3.3.c)Check the thermal protectionG3.4)CHECK THE OVER-VOLTAGE PROTECTION ON POWER GROUP>3.5)CHECK SMI FUNCTIONALITY>4)Evolution of product GYSMI 1835)Electrical Schematics:9SCHEMA I:PWM GENERATOR FUNCTION OF COMMANDSCHEMA 2 POWER SUPPLY TRANSFORMER.START OF SYSTEM10SCHEMA3 FONCTION HOT START((FONCTION ON PCB 3.2116.1)Test Points and designation components on the main Board after index 3.2 included126.2)Test Points and designation components on the main Board before index<3.2137)Bill of materials of the PCB Gysmi 183.14File of breakdown file of welding machine of GYSMI 183Version Indication:4Le 16/01/03:Rewriting of the complete fileLe 26/09/03:Add Electric Schematics 3.2 and evolution of PCB before 3.2GYS-Z.I.134,Bd des Loges-B.P.4159-53941 Saint-Berthevin Cedex (France)Tel:02 43 01 23 60-Fax:02 43 68 35 21 Email:be@Gys.fr