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inverter

SUPERIOR PLASMA 90HF

Cod.988343

“ r e p a r a t i o n n o - p r o b l e m ”

TROUBLESHOOTING

AND REPAIR MANUAL

TROUBLESHOOTING

AND REPAIR MANUAL

TROUBLESHOOTING

AND REPAIR MANUAL

TROUBLESHOOTING

AND REPAIR MANUAL

CONTENTS

PAGE

OPERATION AND WIRING DIAGRAMS.........................2

REPAIR GUIDE..............................................................12

SPARE PARTS LIST...................................................... 24

REPAIRING CARD........................................................ 27

Block diagram

Analysis of block diagram

Illustrations

Wiring diagrams

Equipment required

General repair instructions

Troubleshooting and remedies

Testing the machine

Illustrations

Содержание Superior Plasma 90 HF

Страница 1: ...ING AND REPAIR MANUAL TROUBLESHOOTING AND REPAIR MANUAL CONTENTS PAGE OPERATION AND WIRING DIAGRAMS 2 REPAIR GUIDE 12 SPARE PARTS LIST 24 REPAIRING CARD 27 Block diagram 2 Analysis of block diagram 3...

Страница 2: ...41 42 18 MAINS INPUT EMC FILTER VARISTOR RECTIFIER BRIDGE PRE CHARGE FILTER CHOPPER PR CURRENT CONTROL TRANSFORMER TRANSFORMER SEC DIODES SEC EMC FILTER FAN UNDERVOLTAGE SAFEGUARD OVERVOLTAGE SAFEGUAR...

Страница 3: ...f the pilot arc Hall2 sensor reads the current circulating in the inductance and sends it to block 20 Hall sensor amplifiers which will process the information Consisting of C4 C5 HF filter board Prev...

Страница 4: ...lock 20 shunt amplifiers and uses R55 to adjust the maximum welding current that can be supplied by the power source Consisting of U5A R38 R40 If the main supply voltage exceeds the maximum value this...

Страница 5: ...lock 19 microcontroller sends a signal to block 37 which with the aid of block 38 hf filter generates the pilot arc Consisting of R1 R2 C2 C2A C3 C4 and C5 hf filter board The signal arriving from blo...

Страница 6: ...OR PLASMA 90 HF 18 ALARM BLOCK 20 HALL SENSOR AMPLIFIERS Control board 9 DIODESECONDARY Secondary board 24 SECONDARY DIODE THERMOSTAT 17 ADDER 19 MICROCONTROLLER 21 MAXIMUM CURRENT CONTROL 16 DUTY CYC...

Страница 7: ...SUPERIOR PLASMA 90 HF 7 General wiring diagram WIRING DIAGRAMS Wiring diagram input filter board...

Страница 8: ...SUPERIOR PLASMA 90 HF 8 Wiring diagram primary board power Wiring diagram primary board driver...

Страница 9: ...SUPERIOR PLASMA 90 HF Wiring diagram control board B Wiring diagram control board A 9...

Страница 10: ...SUPERIOR PLASMA 90 HF Wiring diagram control board D Wiring diagram control board C 10...

Страница 11: ...SUPERIOR PLASMA 90 HF 11 Wiring diagram auxiliary control Wiring diagram HF filter board Wiring diagram HF filter board Wiring diagram secondary board...

Страница 12: ...c 0 500V 4500VA 802440 4 Digital multimeter 5 Hall probe 802406 6 Unsoldering station 7 Flat jaw pincers 8 Cutting nippers 12 SUPERIOR PLASMA 90 HF 4 2 6 1 3 8 7 5 EQUIPMENT REQUIRED REPAIR GUIDE REPA...

Страница 13: ...following is a list of practical rules which must be strictly adhered to if repairs are to be carried out correctly A When handling the active electronic components in particular IGBT s and power DIOD...

Страница 14: ...c rheofore of one or more capacitor broken any that remain will be subjected to excessive stress and will be damaged by overheating ageing after a substantial number of working hours overheating due t...

Страница 15: ...of high voltages that are hazardous to the operator A Switch on switch SW1 of the wiring in auxiliary power supply and verify that with a slight delay preload relays K1 K2 and K3 on the primary board...

Страница 16: ...verse order Even if only one IGBT is damaged all 10 should be replaced after removing the board from the machine undo the 4 nuts fastening the dissipators fig 6 unsolder the parts clean the tin from t...

Страница 17: ...Connect the power supply cable of the machine to a 3 phase variac with variable output 0 500Vac To obtain the waveform it is necessary to press the torch button simulator several times because the ma...

Страница 18: ...der the load conditions shown in the table in and with the cutting current potentiometer on maximum switch on the machine in and keep the torch button pressed until the thermostatic capsules trigger m...

Страница 19: ...lly to make sure all the instruments have been disconnected Prevent body contact with the OUT terminals and with parts inside the power source Switch on the machine and with a digital multimeter set o...

Страница 20: ...ILLUSTRATIONS SCREWS SCREW SCREWS TOP COVER SCREWS BOTTOM SCREWS 20 SUPERIOR PLASMA 90 HF SCREW SCREWS SCREWS...

Страница 21: ...FAN CONNECTOR COMPRESSED AIR SCREWS FASTENING CONTROL BOARD SCREWS FASTENING CONTROL BOARD SCREWS FASTENING METAL STRUCTURE MAINS CABLE GENERAL POWER SUPPLY SWITCH MANOMETER DINSE SOCKET WORK CABLE TO...

Страница 22: ...TROL BOARD AUXILIARY TRANSFORMER PRIMARY BOARD POWER SUPPLY AUXILIARY BOARD HALL SENSOR SECONDARY BOARD BOTTOM AUXILIARY CONTROL BOARD INPUT FILTER BOARD PRESSURE SWITCH SOLENOID VALVES HF BOARD HF FI...

Страница 23: ...ONDARY SNUBBER SECONDARY BOARD SECONDARY THERMOSTAT DIODES D5 D4 D3 DIODES D1 D2 PANEL R1 CN2X CN2X JP3 CONTROL BOARD JP2 S2 S1 SUPERIOR PLASMA 90 HF R1 R2 IGBT R17 R18 D10 C39 R24 R25 IGBT D24 D25 PR...

Страница 24: ...faudra preciser modele logo et tension de I appareil denomination de la piece numero de matricule When requesting spare parts without any reference pls specify model brand and voltage of machine list...

Страница 25: ...mostat 10 0A Termostato 10 0A Pressostato Pressostat Pressure Switch Druckanzeige Presostato Elettrovalvola Electrovanne Electrovalve Elektroventil Electrovalvula Termostato 10 0A Thermostat 10 0A The...

Страница 26: ...erl ngerte D se Kit 5 Contactos Prolungados Kit 5 Ugelli Kit 5 Buses Kit 5 Nozzles Kit 5 D sen Kit 5 Inyectores Kit 5 Ugelli D 1 6 Kit 5 Buses D 1 6 Kit 5 Nozzles D 1 6 Kit 5 D sen D 1 6 Kit 5 Inyecto...

Страница 27: ...extension From mains with extension m Mechanichal stresses the machine has undergone to cription Des Dirty grade Dirty inside the machine Description Rectifier bridge Electrolytic capacitors Relais I...

Страница 28: ...TELWIN S p A Via della Tecnica 3 36030 VILLAVERLA Vicenza Italy Tel 39 0445 858811 Fax 39 0445 858800 858801 E mail telwin telwin com http www telwin com CERTIFIED QUALITY SYSTEM ISO 9001...

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Telwin Superior Plasma 90 HF, Руководство по устранению неисправностей и ремонту

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