ESAB Heliarc 283i AC/DC Скачать руководство пользователя страница 18 | Manualshive

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FAULT FINDING

0464 523 010

- 18 -

© ESAB AB 2016

1. Check the voltage over the smothing caps on PCB1 and PCB10.

2. Check that PCB5 is supplied with 24 V DC, it is indicated by the red diode on the board.

3. Turn off the power source and wait for five minutes.
4. Check the spark gap on PCB5 with a feeler gauge. The gap shall be 0.5 - 0.6 mm.

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Содержание Heliarc 283i AC/DC

Страница 1: ...Service manual 0464 523 010 GB 20160329 Valid for 283i S2733450468 353i S2733450508 Heliarc 283i Heliarc 353i...

Страница 2: ...rch trigger is pushed 12 Not possible to adjust current with the encoder 13 Power source in TIG mode does not strike 15 The solenoid valve does not work 16 Welding in DC but not in AC 16 Fault finding...

Страница 3: ...ccordance with international and European standards IEC EN 60974 1 and IEC EN 60974 10 On completion of service or repair work it is the responsibility of the person s doing the work to ensure that th...

Страница 4: ...ION Component positions Item Denomination Note 1 Power switch S1 2 Auxiliary transformer T AUX1 3 Fuse board FUB2 4 Primary inverter PCB10 5 Secondary inverter PCB11 6 Secondary inductance L2 7 AC DC...

Страница 5: ...ation Note 1 EMC filter 2 Primary inductance L1 3 Fuse board FUB1 4 Primary inverter PCB1 5 Secondary inverter PCB9 6 Logic board PCB7 7 AC drive board PCB8 8 HF board spark gap PCB5 9 HF transformer...

Страница 6: ...D 4 Volt display 17 HF button 5 Ampere display 18 Select mode button 6 AC mode button 19 Remote control button 7 AC mode LED 20 Remote button LED 8 AC frequency setting 20 200 Hz 21 Mode TIG dual sche...

Страница 7: ...connector D PIN Description Torch trigger A Torch switch B Torch switch 14 pin connector F PIN Description Torch trigger A Torch switch B Torch switch Remote control E Remote control circuit common P...

Страница 8: ...INTRODUCTION 0464 523 010 8 ESAB AB 2016 Diagram...

Страница 9: ...itors after power has been switched off Always wait at least five minutes after the power is swithced off before starting any work with the power source CAUTION Electrostatic discharge ESD Sensitive c...

Страница 10: ...off the power source and wait for five minutes 2 Remove the cover of the power source 3 Disconnect J1 on PCB1 4 Turn on the power source 5 Select Stick mode on the control panel Is the voltage approx...

Страница 11: ...Replace the logic board PCB7 NOTE It is not necessary to replace the AC drive board PCB8 attached to the logic board PCB7 No Go to step 2 2 Is there a correct mains power supply to the auxiliary trans...

Страница 12: ...0 No Fault find the power source as described in section Fault finding without power supply and Fault finding with power supply Fault indication CC when torch trigger is pushed Symptom The power sourc...

Страница 13: ...minutes a Measure the diodes on PCB9 and PCB11 Use a multimeter in diode test mode Value should be 300 to 400 mV Not possible to adjust current with the encoder Symptom The power source is turned on a...

Страница 14: ...control 4 GND circuit common reference 5 input IARC common reference from secondary shunt 6 GND circuit common reference 7 input IARC set reference from secondary shunt 100 A 30 mV 8 GND circuit comm...

Страница 15: ...ower supply Power source in TIG mode does not strike Symptom The power source is turned on and all the LEDs are ok The power source does not strike in TIG mode 1 Check PCB5 Is there a spark in the gap...

Страница 16: ...or blown Yes Replace the fuse F1 Value 100 mA T No Replace PCB7 Welding in DC but not in AC Symptom The power source is working but only in DC mode not in AC 1 Set the power source in DC mode Make su...

Страница 17: ...l diodes inverter 400 mV DC 5 Check the secondary rectifier PCB9 Measure the diode 300 mV DC 6 Loosen and remove PCB10 and then PCB11 7 Check PCB10 in the same way as PCB1 8 Check PCB11 in the same wa...

Страница 18: ...over the smothing caps on PCB1 and PCB10 2 Check that PCB5 is supplied with 24 V DC it is indicated by the red diode on the board 3 Turn off the power source and wait for five minutes 4 Check the spa...

Страница 19: ...nking Short circuit A PCB is short circuited The display shows CC Action Refer to section Fault indication CC when torch trigger is pushed Trigger alarm The power source is turned on with the torch tr...

Страница 20: ...from building up on you or on anything at your work station then there cannot be any static discharges Nonconductive materials e g fabrics or insulators e g plastics generate and hold static charge s...

Страница 21: ...ns are done to avoid accidents and injury Use an approved ESD equipment to avoid damage to sensitive components The accuracy of measuring instruments shall be class 2 5 as a minimum Support equipment...

Страница 22: ...ake sure that the power source has the following settings STICK MODE ARC FORCE 0 Default value HOT START 0 Default value NO HF NO AC MODE NO TIG TORCH ON 183 A SHOWN ON AMP DISPLAY How to adjust ARC F...

Страница 23: ...instrument it should be 349 A 21 If the current value is not correct adjust it with the encoder knob on the power source NOTE IMPORTANT Read the current value on the digital instrument not the curren...

Страница 24: ...e test EN 60974 4 Welding circuit leakage current The leakage current between the welding outlets and the protective conductor terminal shall not exceed 10 mA a c RMS Conformity shall be checked by me...

Страница 25: ...ctor Conformity shall be checked using the measuring circuit shown below with a conventional voltmeter and a welding equipment that is isolated from the ground plane supplied by the rated supply volta...

Страница 26: ...personnel shal be checked for correct operation During visual inspection the following listed items shall be checked 1 Torch holder cutting current return clamp a missing or defective insulation b de...

Страница 27: ...and labelling c other damage or signs of improper use Functional test Do a functional test to make sure that the power source is working in a correct way 1 Prepare a working area with a workpiece 2 Co...

Страница 28: ...91 878 3600 Fax 34 91 802 3461 SWEDEN ESAB Sverige AB Gothenburg Tel 46 31 50 95 00 Fax 46 31 50 92 22 ESAB International AB Gothenburg Tel 46 31 50 90 00 Fax 46 31 50 93 60 SWITZERLAND ESAB Europe G...

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