Lincoln Electric IM586-B manual Contact your local Lincoln, Authorized Field Service Facility

Page 34

E-3	TROUBLESHOOTING	E-3

	Observe all Safety Guidelines detailed throughout this manual

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Motor does not turn when trigger is	1.	The wire drive motor may be
pulled.		overloaded. "Hxx" will be dis-
		played on the WFS display,
		where "xx" is the number of sec-
		onds until the wire drive attempts
		to run again.
	2. A jumper plug or K1558-1
		Remote Switch Interface Module
		must be properly installed into
		connector J5.
	3.	Damaged wiring in the trigger cir-
		cuit.
	4.	Control p.c. board failure.

The drive motor does not turn	1. Damaged leads to the drive
although arc voltage is present and		motor.
the gas solenoid is on.	2.	Damaged wire drive motor.
	3.	Damaged control p.c. board.
			If all recommended possible areas
No control of wire feed speed.	1.	Damaged leads to the motor	If all recommended possible areas
Motor turns. Gas solenoid operates		tachometer.	of misadjustment have been
properly and arc voltage is present.	2.	Damaged tachometer.	checked and the problem persists,
Wire feed speed can be set on the	3.	Damaged control p.c. board	Contact your local Lincoln
display, but has no control of the			Authorized Field Service Facility.
wire feed speed.

Wire feed motor turns and gas sole-	1.	Power source is unable to pro-
noid operates, but no arc voltage is		vide arc voltage because of ther-
present.		mal shutdown or other failure.

Speed does not change when weld	1.	Run-in and weld speeds are set
current flows.		to the same value.
	2.	Current sensing reed switch is
		not operating properly.

Cold feed forward or cold feed	1.	The connector from the control
reverse buttons on keypad do not		p.c. board to the display p.c.
work, but motor control otherwise		board or the connector from the
functions properly		display p.c. board to the keypad
		are loose or improperly inserted.
	2. Damaged keypad
	3.	Damaged display p.c. board.
	4.	Damaged control p.c. board.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your

STT-10

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Contents IM586-B Safety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a LʼArcPlease Examine Carton and Equipment For Damage Immediately On-Line Product RegistrationTable of Contents Vii Diagrams Section FP312 Series General Description InstallationSTT-10 Mounting the 10 Series Wire Drive Unit Safety PrecautionsRecommended Processes and Equipment Connecting Wire Drive Unit to Control Box Mounting Synergic 7F Wire Drive UnitMounting the STT-10 Control Box K1565-2 Boom Model Series Wire Drive Ratio Selection Wire Drive Speed Range SelectionControl Speed Range Setting Electrode RoutingSynergic 7F 4-Roll Kits KP655 and KP656 Wire Feed Drive Roll KitsProcedure to Install Drive Roll and Wire Guides Electric Shock can killGUN and Cable Assemblies with FAST-MATE Connection GUN Connections GeneralGUN and Cable Assemblies with Standard Connection Gmaw GunsGun Cable Connection with Fast-Mate Connection Synergic 7F Wire Drives K679Water Connections for Water Cooled Guns Gmaw Shielding GasElectrical Installation Input Cable STT-10 Control to Power SourceBoom and Bench Conversions Optional Features InstallationDual Procedure Switch Options Materials Required for bench to boom conversionOperation STT-10 Control DIP Switch SetupOperating Instructions Robotics Mode Selection Step Trigger Mode Operation SelectionSecurity Mode Selection Range Lockout Mode SelectionOperation Keys Power-Down SaveKeypad and Display Operation Keypad and Display DescriptionTrigger Mode Select Key Trigger Mode SelectionDisplay Control Keys Security Mode Acceleration SelectionWire Reel Loading READI-REELS, Spools or Coils Figure B.1Feeding Electrode and Brake Adjustment Drive Roll Pressure SettingGAS Guard Regulator Setting Procedure for Setting Angle of FeedplateMaking a Weld Explanation of Prompting and Error Messages Wire Reel ChangingWire Feed Overload Protection Display Prompt or ErrorRoll DH Drive AccessoriesSolid & Cored Steel Electrode Driven K1558-1 Remote Switch Interface Module K683-1 Dual Procedure SwitchK683-3 Dual Procedure Switch K1758-L Input Cable Assem BLYMagnum 200/300/400 Guns GUN Adapters for 10 Series Wire Drive HeadsCoil Adapter K206, K289, and K309K1634-1 Wire Reel Enclosure KIT GUN and Cable AssembliesMaintenance MaintenanceTroubleshooting HOW to USE Troubleshooting GuideContact your local Lincoln Authorized Field Service Facility Authorized Field Service Facility Contact your local LincolnTroubleshooting Damaged encoder p.c. board Troubleshooting Procedure for Replacing PC Boards Electric Shock can killDiagrams Diagrams Diagrams Connection Diagrams Dimension Print Bench Model Dimension Print Boom Model Control Box STT-10 STT-10 Precaucion Warnung