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10.6 Regular Check 

 
For other abnormalities not included in the "Early diagnosis of abnormalities" 

and "Display and handling measure of abnormalities", please find out the 

reason according to the following procedure and take the related handling 

measure. 

Find out the reason 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The power light is on, but the welder doesn’t 

Check if the manual switch works 

Check if there is the 

voltage in the output 

terminal of the welder 

Replace the manual 

Is the control cable 

broken? 

The control section is damaged. 

Contact our company for repair. 

Replace the cable 

The wire-feeding circuit is 

damaged. Contact our company 

for repair. 

Summary of Contents for 200

Page 1: ...GMAW WELDING MACHINE MANUAL Vavdi Survey no 28 Shivam Industrial Area Street No 3 Plot No 7 Near Sunny Raj Metal Rajkot 360004 Gujarat India Email us sohamlathe gmail com ...

Page 2: ...USER MANUAL GMAW WELDING MACHINE ...

Page 3: ...ety outfit for example protective goggle mask and gloves Do not wear a tie bracelet and loose clothing that are easy to twine the equipment Put the fire extinguishers in the specially marked position the fire extinguishers shall be provided by the user Keep the arc welding rectifier a certain distance away from flammable substances such as waste oil and clothing The splashing can cause a fire and ...

Page 4: ...mance Total digital presetting and display of welding current voltage provides a visual and convenient operation Current self adaptation within 30mm dry extension is applicable to all position welding Perfect protection circuit and fault display function provides safety reliability and convenience to locate a fault Metal transfer waveform control provides stable electric arc little splashing and w...

Page 5: ...nce rate of the three phase voltage 0 5 Voltage fluctuation of the power grid 10 Frequency fluctuation 1 Others In the working site there are no gas vapor chemical sediment dust dirt mildew and other flammable corrosive substance which severely affect the use of the arc welding rectifier In addition avoid violent shake and jolt of it Put the equipment in a dry and ventilated place Avoid direct exp...

Page 6: ... at 100 Duty Cycle 210MM Welding current range 300AMP Power Input Single Phase 215 15 V AC 1 Phase 50 Hz Open circuit voltage DC 80 VOLT Type of Metal which can be welded Mild Steel Open Circuit Power 5WATT Protection Class IP23 Di erent type of insulation class F Type of cooling Forced air cooling Type of Wire feeder drive 2 roll drive Wire Feeding rate 18 Type of welding Torch WELDING TORCH ...

Page 7: ...et opening should be not less than 800mm away from the wall and not less than 100mm away from the right and left wall The three phase power cable must go to the arc welding rectifier through the air switch Select the capacity of the air switch in accordance with technical parameter requirements of the welder Attention The case of the arc welding rectifier must be securely grounded in the place wit...

Page 8: ...witch Check gas flow and pre adjust gas flow rate 9 Wire selection switch Select the welding wire diameter 10 Function switch Select manual gas shielded welding 11 Plug of the control cable Connected to the control cable of the wire feeder 12 Output anode Connected to the welding power cable of the wire feeder 13 Output cathode Connected to the workpiece 14 Input terminal box Connected to the inpu...

Page 9: ...is correct and secure and the power supply of the power grid meets the requirements Turn on the power switch in the power board after make sure all connections are correct Attention At this time the fan runs and the power indicator light is on The preset voltage and current value a minus value is displayed in the voltmeter and arnperemeter Put the Gas check switch to the Gas check position and adj...

Page 10: ...alue is 100 When the arc receiving specification is required it is necessary to put the Arc receiving On Off switch in the welding power panel to the On position and turn the adjustment knob of the arc receiving voltage and current to the desired value Attention When the Arc receiving On Off switch is put to the Off position press and hold the switch of the welding gun to start the welding and rel...

Page 11: ...all times to avoid the arc welding rectifier functioning improperly or the local area of the joint being heated and damaged Check if the external bolts of the arc welding rectifier is secured at all times to avoid the arc welding rectifier functioning improperly or the local area of the joint being heated and damaged Clean the wire feeder at all times to keep it clean and well insulated Make sure ...

Page 12: ...control board has a fault The part is damaged Please contact with our company The voltage of the power grid is too high The arc welding rectifier is in automatic protection state It will resume work automatically after the voltage of the power grid returns to normal Internal temperature of the arc welding rectifier is too high the arc welding rectifier is in automatic protection state Ventilate th...

Page 13: ...ing 1 Check if the welding ground clamp and the workpiece are in a good contact 2 Check if all the joints are in a good contact B The output current can t reach the rated value The supply voltage diverges from the rated value so that the output current value is not the same as the preset value When the supply voltage is lower than the rated value the maximum output current of the welder is likely ...

Page 14: ...d Failure to following the above rule may cause a severe human accident such as electric shock or burn 10 I Welding power source Part Check point Remarks Operating control panel 1 Check the operation switching and installation of the switches 2 Check if the power indicator light turns on off correctly Cooling fan 1 Check if there is a current of air the air and the sound is normal If the running s...

Page 15: ...longer than the specified one 2 Does the diameter of the welding wire match the inner diameter of the wire feeding hose The mismatch is the reason to cause unstable arc Replace the welding wire hose with a suitable hose 3 Local bending and elongation It is the reason to cause poor wire feeding and unstable arc Replace the wire feeding hose 4 Blocked by dirt and welding wire residue It can cause po...

Page 16: ...would cause unstable arc or the cut powder and scrap 3 Check if the end center of the wire guide tube is aligned with the groove center of the wire feeding reel visual inspection The misalignment would cause the cut powder and unstable arc Wire feeding reel 1 Does the diameter of the welding wire match the nominal diameter of the wire feeding reel 2 Check if the groove of the wire feeding reel is ...

Page 17: ... terminal of the welding power source securely connected 4 Is the input cable exposed as its insulation is worn away or damaged during the wiring Grounding cable 1 Is the grounding cable of the welding power source broken Is it securely connected 2 Is the grounding cable of the base material broken Is it securely connected Be sure to make daily check in order to prevent the current leakage and ens...

Page 18: ... stuck to the base Welding wire stuck to the Gas holes are produced Switch cabinet input protection device 1 Is it connected 2 Is the fuse burned 3 Is the joint loose O O O O O O Input cable 1 Is the cable broken 2 Is the joint loose 3 Is there heating sign O O O O Operation of the welding power source 1 Is the switch turned on 2 Is there a phase lacking fault O O O O O O O O Gas cylinder and gas ...

Page 19: ... tube 2 Is the wire feeding reel cracked or the groove blocked 3 Is the pressing handle too tight or loose 4 Is the cut powder of the welding wire accumulated in the entrance of the SUS tube O O O O O Welding gun and its cable 1 Is the power cable of the welding gun folded and over bended 2 Is the diameter of the contact tip wire feeding hose and welding wire matched Are the contact tip and wire f...

Page 20: ...The welding wire is over extended O O O O O Output cable The cross sectional area of the cable connected to the base material is insufficient The joint of the and output cable is loose The electrical conductivity of the base material is poor O O O Extended cable The cross sectional area of the cable is insufficient The cable is folded or over bended O O O O Welding operating conditions Check the w...

Page 21: ...ocedure and take the related handling measure Find out the reason The power light is on but the welder doesn t Check if the manual switch works Check if there is the voltage in the output terminal of the welder Replace the manual Is the control cable broken The control section is damaged Contact our company for repair Replace the cable The wire feeding circuit is damaged Contact our company for re...

Page 22: ...feeding reel stuck The wire feeding circuit is damaged Replace the board Check if the control cable is damaged Replace the welding gun Remove the dirt Keep it running smoothly The motor is damaged Replace the motor Replace the control cable or remedy it Check if there is DC24V output in the welder The plug may be not in good contact The control board is damaged ...

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