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-

 20 - 

No. 

Problem

 

Root cause

 

What to do

 

9 

The ''machine 

light'' is lit. Digital 

display and fan 

operational. Error 

indicator light off. 

High frequency 

discharge sound 

and no-load 

output. No gas 

flow. 

No  air  discharge  from  the 

air-inlet hose. 

Check the integrity of the air 

inlet hose. 

Press the torch trigger.    If the 

solenoid  valve  does  not 

respond 

and 

its 

wiring 

terminals 

are 

intact, 

the 

solenoid valve may be faulty. 

Replace the solenoid valve. 

If  the  problem  remains  after 

replacement  of  the  solenoid 

valve,  the  problem  lies  with 

the control circuit. 

Replace the control board. 

Air and electricity socket hole 

is blocked. 

Check the air and electricity 

socket hole. 

 

Содержание CUT-70I

Страница 1: ...IGBT Inverter Plasma Cutter Operation Manual CUT 70I CUT 80I CUT 100I CUT 120I Read this manual carefully before installing operating and maintaining the machine...

Страница 2: ...on that may be printed in this operating manual This manual will contain as far as possible preventive and safe operation measures related to the equipment but cannot exclude the occurrence of acciden...

Страница 3: ...3 Warnings 4 Packaging and transportation 7 Parameters 8 Product description 8 Working principle 11 Installation and wiring 12 Brief instruction for cutting operation 14 Maintenance 16 Common machine...

Страница 4: ...ine and the following safety precautions must be followed 1 The operator must have the relevant certificate before operating the equipment 2 A qualified professional should be employed to ensure that...

Страница 5: ...al radiation sparks and hot metal particles 3 Hot sparks and metal fragments can cause skin damage Avoid clothes with front pockets and button up sleeves and collars 4 Use appropriate flame retardant...

Страница 6: ...f machine and work piece as well as a secure ground clamp is important 2 Insulation layers of electric wires and cables must be checked regularly for wear and replaced if necessary 3 All equipment use...

Страница 7: ...ess fumes can be produced which may be detrimental to health 1 The working area should be well ventilated and welding cutting activities should not be executed in confined spaces Eye nose or throat di...

Страница 8: ...outlet with a dust cap Protection Against Moving and Rotating Parts Moving parts such as fans rotors and belts can be hazardous 1 Ensure that all protective covers doors and panels on the machine are...

Страница 9: ...series of plasma cutting machines produce a concentrated stable powerful and fast cutting arc at an ionized state of 10000 15000 C The result is a super smooth cutting surface on a reduced heat affect...

Страница 10: ...elding Equipment Part 1 Welding Power Sources Safety Requirements for Arc Welding Equipment 1 Features of this cutting machine series 1 1 Arc ignition system uses high frequency oscillation to create...

Страница 11: ...cutting torch switch 3 Air and electric hybrid socket Connects to the air and electric plug to the cutting torch 4 Pilot arc terminal block Connects to the pilot arc line of the cutting torch 5 Cuttin...

Страница 12: ...d continue cutting with the button depressed Release the button when the cut is complete 4T four stroke cutting mode When this mode is selected press the button on the torch handle ignite the arc rele...

Страница 13: ...h an inclination of more than 10 degrees 1 3 The machine should not be operated in a work station exposed to wind Should a windy environment be unavoidable suitable screening should be installed 1 4 I...

Страница 14: ...d out the main power supply to the control box must be switched off 3 4 The yellow green earth wire of the machine must be reliably connected with the grounding cable 3 5 Ensure that the required powe...

Страница 15: ...the inlet on the rear panel of the machine Ensure the air source provides dry air with sufficient pressure and flow rate 1 6 Install and tighten the air and electricity connectors of the cutting torch...

Страница 16: ...4 Earth clamp 2 Air pressure reducing valve 5 Workpiece 3 Air compressor 6 Torch 3 Setting cutting parameters Cutting current Max cutting thickness mm Quality cutting thickness mm 40A 10 6 50A 15 10 6...

Страница 17: ...is dependent on a designed air flow pattern it is important to return the side cover plate after the cleaning operation Not paying attention to this detail will result in over heating of and conseque...

Страница 18: ...t Power switch was turned off or damaged Check or replace the power switch Power supply phase missing Check power input if phase loss Whether there is electricity in the grid connected to the output c...

Страница 19: ...cator light off No high frequency discharge sound Poor contact between the primary wire of the arc ignition coil and the arc ignition plate Fasten the connecting wire Oxidized spark gap Remove oxide f...

Страница 20: ...er Tighten the terminal blocks 7 The machine light is lit Digital display and fan operational Overheating and over current lights are lit No no load output Over current protection Shut off the machine...

Страница 21: ...hose Check the integrity of the air inlet hose Press the torch trigger If the solenoid valve does not respond and its wiring terminals are intact the solenoid valve may be faulty Replace the solenoid...

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