Lincoln Electric IM559 manual Breaker at power source is blown, Or tripped, Bad

Page 39

E-10

TROUBLESHOOTING

E-10

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF MISADJUSTMENTS(S)

RECOMMENDED

COURSE OF ACTION

23. Display is blank.

a. Power source is OFF.

a. Turn ON power source.

 

 

b. Feeder supply fuse or circuit

b. Check input cable and feeder unit for

 

 

breaker at power source is blown

short in 41 and 42 circuit. Check for

 

 

or tripped.

shorted motor. Replace fuse or reset

 

 

 

circuit breaker.

 

 

c. Display or Control PC board is

c. Observe LED mounted on Control PC

 

 

bad.

board. It should blink on and off at a

 

 

 

controlled rate of 1 second ON and 1

 

 

 

second OFF. If so, then replace

 

 

 

Display PC board. If not, replace

 

 

 

Control PC board. (See Procedure

 

 

 

for Replacing

 

 

 

 

 

24. Wire feed speed is consistent

a. Defective gearbox ratio sensing or

a. Remove Control board plug form J4.

 

and adjustable, but operates at

Control board.

If you have a high speed Wire Feed

 

the wrong speed.

 

Unit check that you have continuity

 

 

 

between plug P4 pins 10 and 11.

 

 

 

Likewise, if you have a standard

 

 

 

speed Wire Feed Unit make sure that

 

 

 

you do not have continuity between

 

 

 

plug P4 pins 10 and 11. If the conti-

 

 

 

nuity test fails, check continuity of K to

 

 

 

K and L to L connections in 14-pin

 

 

 

cable between Control Box and Wire

 

 

 

Drive Unit. Also check for no continu-

 

 

 

ity between K and L connections when

 

 

 

cable is detached. If either of these

 

 

 

tests failed, replace cable. Otherwise

 

 

 

check continuity of leads 530 and 531

 

 

 

in the Control Box and the Wire Drive

 

 

 

Unit. (See wiring diagram.) Repair or

 

 

 

replace faulty harness. Otherwise,

 

 

 

replace Control board. (See proce-

 

 

 

dure 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 7F & FH

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Contents Synergic 7F and Synergic 7FH 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 Installation Type K678-2 K679-1 K679-2 Wire Speed RangeModel Recommended Processes and Equipment Standard FeaturesWire Feed Features General DescriptionControl Features Y P a D a N D D I S P L a Y Description Mounting the Control Box K678-2 Safety PrecautionsConnecting Wire Feed Unit to Control Box Electric Shock can killAluminum Wire Sizes Procedure to Install Drive Roll and Guide TubesWire Feed Drive Roll and Guide Tube Kits Steel Wire Sizes RollInnershield Guns Gun and Cable Assemblies with Standard L. E. ConnectionsGun Cable Connection Gmaw GunsCylinder may explode if damaged Gun Cable Connections Wire Feeder to GunSynergic 7F Water Connections for Water-Cooled Guns Gmaw Shielding Gas60% Duty Cycle Up to 100 ft Length 30m Electrical InstallationWork Cable CurrentOptional Features Installation K648, K649 or K642 Input Cable Assembly SeeElectrical Installation section for instructions Operating Instructions Power-Down SaveMode Selection OperationDisplay Control Keys Timer/Crater Select key enables Procedure Selector Switch Memory Ammeter Selection4-step with crater fill To Mount 10 to 44 lb 4.5-20kg Spool 12/300mm Diameter Feeding Electrode and Brake AdjustmentFeeding Electrode To Mount a 50-60lb 22.7-27.2kg CoilWire Loading of 13-14lb 6kg Innershield Coils Idle Roll Pressure SettingGas Guard Regulator Setting Wire Reel Changing Wire Feed Overload ProtectionMaking a Weld Explanation of Prompting Error Messages Optional Features AccessoriesREADI-REEL Adapters Maintenance MaintenanceTroubleshooting Guide TroubleshootingTrouble shooting information Replace contact tipTions in control cable Replace WeldingIng and gas flow rate is proper IngControl PC board see Procedure for 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 Faulty local dual procedure switch 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 aBad Breaker at power source is blownOr tripped Circuit breaker Display or Control PC board isX8 on Control PC board is faulty See Problem 5 or see Section onCedure for replacing PC boards Eprom checksum error Onds. Turn power back on. If EP isSwitch Requirements Procedure for Replacing PC Boards Electric Shock can killControl P.C Board DIAGRAMSF-1Input Connection Diagram DiagramsPrint Wire Feed Unit Dimension Print Synergic 7F & FH Synergic 7F & FH Precaucion Warnung
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