Lincoln Electric SP-255 manual OPERATIONB-5, Memory Keys

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OPERATIONB-5

Repressing the Auto Key sets the recommended pro- cedure for the metal thickness displayed.

MANUAL KEY

Permits individual setting of wire feed speed and arc voltage for manual procedure setup. The manual screen displays wire feed speed, arc voltage, and a cursor that indicates which parameter, wire feed speed, or arc voltage is being controlled by the thumb- switch on the SP-255 gun (see “Gun Switches” in operation section).

Left arrow keys — Do not function in Manual mode.

Center arrow keys — Increase (up arrow) or decrease (down arrow) wire feed speed.

Right arrow keys — Increase (up arrow) or decrease (down arrow) arc voltage.

If the spot or stitch timers are on it will be indicated in the bottom left corner of the display. (See Figures 6 and 7 below.)

TYPICAL MANUAL KEY PRESS SEQUENCE

MEMORY KEYS

SAVE KEY

Saves present setup (including process, procedure, and timer functions, if used) to one of five memories chosen by pressing the desired memory number key.

When the Save key is pressed, a prompting message instructing the operator to “PRESS MEMORY 1-5 TO SAVE SETUP” is displayed. This message will stay on the display until a memory number key is selected or one of the other keys, such as Auto, Manual, or Process, is pressed. If a memory number key is selected, a message will be displayed for 2.5 seconds that confirms that the setup was saved to that memory number (see Key Press Sequence following).

The six arrow keys perform no function when saving a setup.

NOTE: When a setup is saved to a memory, the previ- ous content of that memory is lost because it is replaced by the present setup. Removing input power does not affect setups In memory.

TYPICAL SAVE KEY PRESS SEQUENCE

Auto screen displayed prior to pressing Save key. Save key is pressed, and display changes to prompt- ing message. Memory 1 key is pressed, and the dis- play changes to a message that confirms the setup was saved to memory 1. The message is displayed for 2.5 seconds, and then the original Auto screen is displayed.

Figure 6

Figure 7

Auto screen is being displayed prior to pressing Manual key. The Manual key is pressed, the Manual screen is now displayed. The procedure is the same that was in Auto.

MEMORY NUMBER KEY

Pressing the desired Memory Number key recalls the setup saved in that memory (including process, proce- dure, and timer functions if used).

IDEALARC SP-255

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Contents Idealarc SP-255 Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Master Table of Contents for ALL Sections Section E Section DSection F AppendixTechnical Specifications Idealarc SP-255 INSTALLATIONA-1Safety Precautions 2INSTALLATIONInput Power and Grounding Connections Uncrating the SP-255Output Polarity Connection INSTALLATIONA-3GUN and Cable Installation Shielding GAS 4INSTALLATIONFumes and Gases can be dangerous OPERATIONB-1Recommended Processes and Equipment 2OPERATIONWelding Capability LimitationsOPERATIONB-3 Start Mode SelectionsProcess WIRE/GAS KEY 4OPERATION Procedure KeysAuto KEY Typical Auto KEY Press SequencesMemory Keys OPERATIONB-56OPERATION Timer KeysTypical Memory Number KEY Press Sequence Spot KEYOPERATIONB-7 GUN Switch KeysTypical Toggle KEY Press Sequence 8OPERATIONOPERATIONB-9 Using 4-STEP Trigger Interlock FunctionStep Trigger Interlock Keys Typical Activate KEY Press SequenceWire Drive Roll GUN SwitchesProcedure for Changing Drive Roll Wire Reel LoadingOPERATIONB-11 Idle Roll Pressure SettingTo Start the Welder Feeding Electrode12OPERATION Making AN Auto Mode WeldOPERATIONB-13 Explanation of Prompting and Error Messages Wire Feed Overload Protection14OPERATION Welding Thermal Overload ProtectionOPERATIONB-15 Operation ACCESSORIESC-1 2ACCESSORIES Disabling Spool GUN ACCESSORIESC-3Idealarc SP-255 Safety Precautions MAINTENANCED-1Cable Cleaning Routine MaintenanceLiner Removal Replacement 2MAINTENANCEMagnum 250SP GUN Parts and Accessories MAINTENANCED-3GUN Handle Disassembly Idealarc SP-255 HOW to USE Troubleshooting Guide TROUBLESHOOTINGE-1Troubleshooting Guide 2TROUBLESHOOTINGProblems Possible Areas Symptoms Misadjustments Authorized Field Service FacilityTROUBLESHOOTINGE-3 Contact your local Lincoln 4TROUBLESHOOTINGAuthorized Field Service Facility Function Problems TROUBLESHOOTINGE-5Contact your local Lincoln Authorized Field Service Facility 6TROUBLESHOOTINGSP-255 Wiring Diagram L9688 Dual Voltage Wiring DiagramsWiring Diagrams Dimension Print Page Page Page Page $700.00 How To Read Shop DrawingsPrecaucion Warnung Limited Warranty