Lincoln Electric IM557 Control kit is not functioning prop Gun position, and/or an, PC boards

Page 43

E-9

TROUBLESHOOTING

E-9

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

19. Dual procedure switch of remote

a. Local dual procedure switch is not

a. Local dual procedure switch should be

control kit is not functioning prop-

in "Gun" position, and/or an

in "Gun" position if a remote control kit

erly.

optional gun dual procedure

is attached. If an optional gun dual

 

switch is attached.

procedure switch is attached and both

 

 

the local dual procedure switch and

 

 

remote's dual procedure switch are in

 

 

"Gun" position then the optional gun

 

 

dual procedure switch is used to

 

 

switch between procedures "A" and

 

 

"B".

 

b. Faulty communication between

b. If knobs on remote control kit are not

 

wire feeder and remote control kit.

operating properly, refer to Problem

 

 

16.

 

c. Faulty dual procedure switch,

c. Disconnect harness plug from Remote

 

wiring harness, or PC board in

PC board. Check that there is conti-

 

remote control kit.

nuity between plug pins 7 and 8 when

 

 

dual procedure switch is in position

 

 

"A", but not when in "Gun" or "B".

 

 

Now check that there is continuity

 

 

between plug pins 6 and 7 when dual

 

 

procedure switch is in position "B", but

 

 

not when in "Gun" or "A". If any of

 

 

these tests failed, repair or replace

 

 

switch or switch harness. Otherwise

 

 

replace Remote PC board.

 

 

 

20. Purge key does not turn on sole-

a. Defective keypad or Display PC

a. Check continuity between sockets 5

noid but trigger closure does.

board is defective.

and 1 of keypad connector when

 

 

purge key is closed. If not, then

 

 

replace keypad, otherwise replace

 

 

Display PC board. (See Procedure

 

 

for Replacing PC boards).

 

 

 

21. Cold Feed key does not turn on

a. Defective keypad or Display PC

a. Check continuity between sockets 4

wire feed motor but trigger clo-

board is defective.

and 1 of keypad connector when Cold

sure does.

 

Feed key is closed. If not, then

 

 

replace keypad, otherwise replace

 

 

Display PC board. (See Procedure

 

 

for Replacing PC boards).

 

 

 

22. Display and/or indicator lights do

a. Defective keypad or Display PC

a. Ring out keypad. Replace if defec-

not change when the arrow or

board.

tive. If not, then replace Display PC

select keys are pressed.

 

board. (See Procedure for Replacing

 

 

PC boards).

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

SYNERGIC 7 & 7H

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Contents Synergic 7 and 7H Mar ‘95 SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionMar. ‘93 Précautions DE SûretéOn-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Size & Weight Without Wire Stand With K377 Wire Stand InstallationTechnical Specifications Synergic 7 and 7H Type K631-3 K631-4 Wire Speed RangeRecommended Processes and Equipment Standard FeaturesWire Drive Features General DescriptionControl Features RUN-IN WFS Y P a D a N D D I S P L a Y DescriptionElectric Shock can kill Safety PrecautionsAluminum Wire Sizes Procedure to Install Drive Roll and Guide TubesWire Feed Drive Roll and Guide Tube Kits Steel Wire Sizes RollGmaw Guns Gun Cable Connection Wire Feeder to GunGun and Cable Assemblies For GMA Gun CablesCylinder may explode if damaged Shut off shielding gas supply when not in useSynergic 7 Water Connections for Water- Cooled Guns Gmaw Shielding GasElectrical Installation Warning 60% Duty Cycle Up to 100 ft Length 30m Optional Features InstallationWork Cable CurrentInstallation Operating Instructions Mode SelectionPower-Down Save OperationDisplay Control Keys Preset voltage/trim may be adjustedCold Feed Memory Ammeter Selection Step Trigger Mode SelectionDual Procedure Remote Control K1449-1 Procedure Selector SwitchFigure B.1a Threaded Locking Collar Wire LoadingInnershield Coils Coil tie wires To remove the wire reel from its shaft, graspKnob so it seats into the shaft when released Cut the tie wires at this timeREADI-REELS a K438 READI-REEL Adapter Must be Used Feeding ElectrodeGas Guard Regulator Setting Idle Roll Pressure SettingWire Feed Overload Protection Wire Reel ChangingMaking a Weld Grounding Lead Protector Explanation of Prompting Error MessagesOptional Features Accessories60 LB .2 KG Coil Adapter K1504-1 Universal Wire Reel Stand K1524-1READI-REEL Adapters K179 type vacuum unit not recommended for use with Synergic MISC. OptionsRoutine Maintenance MaintenanceMaintenance Avoiding Wire Feeding ProblemsLocate Problem Symptom 1TROUBLESHOOTINGE-1Troubleshooting Replace WeldingIng and gas flow rate is proper IngConnector J1 on control PC No control of wire feedTers on wire feeder display do not Defective wire feed motor tach orOr there may be a problem with Wire feed motor runs and solenoid Power source is defectiveWiring harness or Control PC Speed does not change when Run-in and weld speeds are setRemote control kit must be used Meters on wire feeder display doNot match those on power Problem with wire feeder harnessTroubleshooting Wiring harness, or Control board Dure switch Be connectedBetween procedures a and B Display. If not, refer to ProblemFaulty communication between Local dual procedure switchDual procedure switch is used to Switch between procedures aTroubleshooting HXX Procedure for Replacing PC Boards Electric Shock can kill Wiring Diagram Synergic DiagramsElectric Shock Can Kill Input Connection DiagramW I R E R E E L S T a N D Dimension PrintSynergic 7 & 7H Synergic 7 & 7H Synergic 7 & 7H Synergic 7 & 7H Precaucion Warnung
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