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Summary of Contents for I-DC 400

Page 1: ......

Page 2: ...cription 3 4 Technical parameters table 4 5 Installation instruction 5 6 Panel function instruction 6 7 Operation instruction 7 8 Notes or preventive measures 8 9 Daily checking 9 10 Questions to be run into during welding 11 11 Maintenance 11 12 Troubleshooting and fault finding 12 ...

Page 3: ...rc rays Harmful to your eyes burn your skin Wear suitable protective mask light filter and protective garment to protect eyes and body Prepare suitable protective mask or curtain to protect looker on Fire Welding spark may cause fire make sure there is no tinder stuff around the welding area Noise Excessive noises will be harmful to hearing Use ear protector or others means to protect ear Warn loo...

Page 4: ...ore stable arc When stick and work piece get short its response will be quicker It means that it is easier to design into welding machine with different dynamic characteristics and it even can be adjusted for specialty to make arc softer or harder MMA welding machine has the following characteristics effective power saving compact stable arc good welding pool high no load voltage and good capacity...

Page 5: ...se AC380V 15 Frequency Hz 50 60 Rated input current A 27 6 No load voltage V 68 Output current A 30 400 Rated output voltage V 36 Force range A 0 100 Duty cycle 60 No load loss W 100 Efficiency 85 Power factor 0 93 Insulation grade F Housing protection grade IP21 Weight kg 25 Dimensions mm 572 286 502 ...

Page 6: ...e other terminal clamps the work piece 4 Put the fastening plug of the cable to fastening socket of polarity at the front panel fasten it clockwise and the earth clamp at the other terminal clamps the work piece 5 Please pay attention to the connecting terminal DC welding machine has two connecting ways positive connection and negative connection Positive connection holder connects with terminal w...

Page 7: ...any difference from the real machine please follow with the real machine 1 Current meter 2 VRD indicator light 3 Abnormal indicator light 4 VRD switch 5 Remote control switch 6 Welding current adjustment 7 ARC force current adjustment 8 Negative output terminal 9 Remote control 10 Positive output terminal 11 Hot starting adjustment knob ...

Page 8: ...is on ON position that is using remote control device 2 Insert plug of remote control in socket of remote control correctly and tighten firmly in order to prevent poor contact If remote control device is not be used make sure the switch is on OFF position or welding current will not be adjusted on panel 3 In removing the welding machine some users bumped the remote control switch into wrong place ...

Page 9: ...make sure the working area is adequately ventilated It is important for the performance and the longevity of the machine 2 Do not over load The operator should remember to watch the max duty current Response to the selected duty cycle Welding current should not exceed max duty cycle current Over load current will damage and burn up the machine 3 No over voltage Power voltage can be found in diagra...

Page 10: ... the extended part too small the arc will be unstable Wire diameter and the tube inner diameter match or not Reason of unstable arc please use the suitable tube Partial winding and extended Reason of poor wires sending and unstable arc please change Block caused by dirt in the tube and the remains of the wire plating lay Reason of poor wire sending and unstable arc use kerosene to wipe or change n...

Page 11: ... move and wearing out of pressed wire the narrowing of its contact surface Lead to unstable arc and wire sending Position Checking keys Remarks Torch cable 1 If torch cable over bended 2 If the metal connecting point of mobile plug loosen 1 Cause poor wire sending 2 Unstable arc if cable over bended Output cable 1 Wearing out of the cable insulated material 2 Cable connecting head naked insulation...

Page 12: ...ring MMA welding 1 Maybe current is too heavy while welding rod diameter is too small 2 Output terminal polarity connection is wrong The positive connection should be applied at the normal techniques that is to say welding rod connects with the negative polarity while the work piece with the positive polarity So please change the polarity MAINTENANCE 1 Remove dust by dry and clean compressed air r...

Page 13: ...ct 2 Check if connector of output terminal is broken or damaged 3 Check if the control board is damaged contact with the supplier or manufacturer Abnormal indicator is on fan is working meter is normal 1 IGBT is damaged 2 Rectifier of quick recovery is damaged 3 Control board is broken 4 The feedback circuit is in fault Please contact with the supplier or manufacturer Too much spatter during MMA w...

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