Lincoln Electric IM846-A manual Symptoms

Page 32

E-5

TROUbLESHOOTING

E-5

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

TROUbLESHOOTING GUIDE

Observe Safety Guidelines detailed in the beginning of this manual.

PRObLEMS

POSSIbLE AREAS OF

 

RECOMMENDED

(SYMPTOMS)

MISADJUSTMENT(S)

 

COURSE OF ACTION

 

 

 

 

OUTPUT PRObLEMS

 

Thermal LED is lit.

1. Fan thermostat has opened.

 

 

Check for proper fan operation.

 

 

(Fan should run whenever out-

 

 

put power is on.) Check for

 

 

material blocking intake or

 

 

exhaust louvers, or for excessive

 

 

dirt clogging cooling channels in

 

 

machine. Blow air in rear louvers

 

 

to remove dirt around the fan.

 

 

2. Secondary rectifier or Choke

 

 

thermostat has opened. After

 

 

machine has cooled, reduce

 

 

load, duty cycle, or both. Check

 

 

for material blocking intake or

 

 

exhaust louvers.

 

 

 

 

3. DC Bus PC board thermostat

 

 

has opened check for excessive

 

 

load on 40VDC supply.

 

 

 

 

 

Machine won’t weld, can’t get any

1. Input voltage is too low or too

 

output.

high. Make certain that input

If all recommended possible areas

 

voltage is proper, according to

of misadjustments have been

 

the Rating Plate located on the

checked and the problem persists,

 

rear of the machine.

 

contact your local Lincoln

 

2. If the Thermal LED is also lit,

Authorized Field Service Facility.

 

see “Yellow Thermal LED is Lit”

 

 

section.

 

 

 

 

3. Primary current limit has been

 

 

exceeded. Possible short in out-

 

 

put circuit. Turn machine off.

 

 

Remove all loads from the out-

 

 

put of the machine. Turn back

 

 

on. If condition persists, turn

 

 

power off, and contact an autho-

 

 

rized

Lincoln

Electric

Field

 

 

Service facility.

 

 

 

 

4. This problem will normally be

 

 

accompanied by an error code.

 

 

Error codes are displayed as a

 

 

series of red and green flashes by

 

 

the

status

light.

See

 

 

"Troubleshooting the Power Wave

 

/Power Feed System Using the Status LED" section of this text.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized Lincoln Electric Field Service Facility for technical assistance.

POWER WAVE 405M

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Contents Power Wave 405M Safety Depends on YouSafety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiIvSAFETY Précautions DE SûretéElectromagnetic Compatibility EMC Methods of Reducing Emissions Mains Supply On-Line Product Registration ViiPlease Examine Carton and Equipment For Damage Immediately TAbLE of Contents Installation Technical Specifications Power Wave 405MProduct Ordering Input AC Rated DC Output Weight Dimensions InformationSafety Precautions Single Phase InputThree Phase Input Select SUITAbLE LocationNegative Electrode Polarity Output CAbLES, Connections and LimitationsCAbLE INDUCTANCE, and ITS Effects on Pulse Welding Power Feed Wire Feeder INTERCON- Nections Voltage SensingSystem Description Work Voltage SensingConfiguring the System UP to 4 Wire Feeders AllowedSingle Head Feeder UP to 4 Feed Heads Allowed6INSTALLATIONA-6 Alternate Hard Automatic Application System that is not Auto MappableWelding with Multiple Power Waves TWO Power WavesInstallation Electric Shock can kill Receptacle SpecificationsDIP Switch Settings and Locations Safety Precautions OperationGeneral Description Recommended Processes and EquipmentCase Front Layout Power Wave 405M Required EquipmentLimitations Duty Cycle and Time PeriodNominal Procedures Fringe ProceduresWelding Adjustments Making a WeldConstant Voltage Welding Current Wave Form CVSynergic CV Non Synergic CVPULSE-ON-PULSE GMAW-PP Pulse WeldingCurrent Wave Form Pulse Welding Procedures for PULSE-ON-PULSE TAbLE b.2 BENEFITS of Pulse on Pulse from Lincoln ElectricTIG Gtaw SmawPower Mode Recommended Welding Procedures for Power Mode Table b.3Accessories Factory InstalledField Installed Optional EquipmentMaintenance Periodic MaintenanceRoutine Maintenance Capacitor Discharge ProcedureTROUbLESHOOTING Using the Status LED to TROUbLESHOOT System PRObLEMS Error code before the machine is turned offError Codes for the Powerwave Error Code # IndicationTROUbLESHOOTING Guide PRObLEMS POSSIbLE AreasSymptoms Misadjustments Course of Action RecommendedSymptoms TROUbLESHOOTING Recommended Course of Action PRObLEMSPOSSIbLE Areas of Misadjustments Wiring Diagrams Diagrams Connection Diagram Connection Diagram Semi-automatic Simple SystemDimension Print Power Wave 405M Precaucion Warnung
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