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3.      Unit is overheated, let unit cool down for at least 5 minutes. Make sure the unit has not been operated 

beyond Duty Cycle limit, refer to technology parameters in Section 2. 

4.      Faulty components in unit, return for repair or have qualified technician repair per Service Manual. 

F. Torch fails to ignite the arc when torch switch is activated 

1.      System is in SET mode

change to RUN mode. 

2.      Faulty torch parts, inspect torch parts and replace if necessary. 

3.      Gas pressure too high or too low, adjust to proper pressure. 

4.      Faulty components in unit, return for repair or have qualified technician repair per Service Manual. 

 

     

 

 

 

G.    No cutting output; Torch activated, power source on; Gas flows; Fan operates 

1.      Torch not properly connected to power supply, check that torch leads are properly connected to 

power supply. 

2.      Work cable not connected to work piece, or connection is poor, make sure that work cable has a 

proper connection to a clean, dry area of the workpiece. 

3.      Faulty components in unit, return for repair or have qualified technician repair per Service Manual. 

4.      Faulty Torch, return for repair or have qualified technician repair. 

H. 

Low cutting output 

1.      Incorrect setting of CURRENT (A) control, check and adjust to proper setting. 

2.      Faulty components in unit, return for repair or have qualified technician repair. 

I.      Difficult Starting 

1.      Worn torch parts (consumables), shut off input power. Remove and inspect torch shield cup, tip 

and electrode. Replace electrode or tip if worn; replace shield cup if excessive spatter

 adheres to it. 

J. Arc shuts off during operation; arc will not restart when torch switch is activated. 

1.      Power Supply is overheated (OC/OT lamp on), let unit cool down for at least 5 minutes. Make sure 

the unit has not been operated beyond Duty Cycle limit. Refer to Section 2 for duty cycle specifications. 

2.     

Gas 

press

ure 

too 

low 

(the 

TIP/G

UN/G

AS 

lamp 

on 

when 

press 

on 

torch 

switc

h is 

on), 

check 

sourc

e for 

at 

least 

4bar/

60psi; 

adjus

t as 

need

ed. It 

is 

Summary of Contents for SKYCUT 440

Page 1: ...ely before attempting to use this equipment Save this manual and keep it handy for quick reference Pay particular attention to the safety instructions we have provided for your protection Contact your...

Page 2: ...NPUT POWER CONNECTIONS 4 3 3 GAS CONNECTIONS 4 4 OPERATION 5 4 1 LAYOUT OF THE FRONTAND REAR PANEL TAKE THE CUT 40 FOR EXAMPLE 5 4 2 CUTTING PREPARATION 6 4 3CUTTING OPERATION 6 5MAINTENANCE 7 5 1 BAS...

Page 3: ...tilation is not adequate to remove all fumes and gases The kinds of fumes and gases from the plasma arc depend on the kind of metal being used coatings on the metal and the different processes You mus...

Page 4: ...n area where fire hazards may exist Hydrogen gas may be formed and trapped under aluminum work pieces when they are cut underwater or while using a water table DO NOT cut aluminum alloys underwater or...

Page 5: ...area from the arc rays Use protective booths screens or shields 2 2 Technology Parameters 2 1Parameters Models Parameters SKYCUT 440 Input power single phase 220V 110V 50 60Hz Rated input current A 23...

Page 6: ...proceeding with the installation 3 2InputPowerConnections Note Check your power source for correct voltage before plugging in or connecting the unit 3 3GasConnections A Connecting Gas Supply to Unit C...

Page 7: ...circuit occurred between the electrode and the nozzle for abnormal reasons the lamp on air feeds intermittently 2 when cutting gun with no electrode and nozzle installed the lamp on air feeds intermi...

Page 8: ...o RUN position regulate the current after the flow stops 6 now all the preparation done 4 3 CuttingOperation Note 1 The alarm lamp on when cutting it is needed to loose the switch of the torch until t...

Page 9: ...e consumable parts for damage if worn replace it 2 Turn off the power source before check or remove cutting gun parts Note When operating the torch in a normal condition a small amount of gas vents th...

Page 10: ...er source install and screw it down properly then turn on the power source C The cutting torch fails to ignite the arc when press on the torch switch theTIP GUN GAS lamp on and air feed intermittently...

Page 11: ...at work cable has a proper connection to a clean dry area of the workpiece 3 Faulty components in unit return for repair or have qualified technician repair per Service Manual 4 Faulty Torch return fo...

Page 12: ...4 Faulty components in unit return for repair or have qualified technician repair per Service Manual K No gas flow the power lamp on Fan operates 1 Gas not connected or pressure too low check gas con...

Page 13: ...from clean surface while purging and observe oil or moisture buildup do not activate torch If there are contaminants in the gas additional filtering may be needed 5 3Packinglist 10 Code Name Specific...

Page 14: ...2 MULT 8 CAOUT 5 ISENSE 9 COSZ 18 ROSZ 17 SS 12 VREF 11 LFF 6 SGND 10 PGND 1 VP 3 GDR V 20 VFEED 14 VA OUT 13 VCC 19 IAC 4 VRMS 7 49 81 C 141 R 155 R154 R 1 53 QD6 C 12 1 R178 C 110 R 177 R182 R1 81...

Page 15: ...NOTES...

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