Lincoln Electric IM438-B manual Troubleshooting

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E-4

TROUBLESHOOTING

E-4

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF MISADJUSTMENTS(S)

RECOMMENDED

COURSE OF ACTION

Pump operates, but fan does not.

a. Internal AC circuit open.

a. Secure AC connectors on rec-

 

 

tifier bridge.

 

b. Fan blade contacting heat

b. If fan blades are plastic,

 

exchanger.

replace. Reset fan clearance

 

 

and secure fan to motor shaft.

 

c. Fan motor failure

c. Replace fan motor with Fan

 

 

Motor and Mount Assembly.

Cooler trips outlet circuit breaker.

a. Circuit overloaded.

a. Check outlet circuit breaker.

 

b. Cooler electrical component

b. Replace suppressor assembly

 

failure.

and rectifier bridge inside of

 

 

Cooler.

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.

MAGNUM COOLER 10-I & 20-I

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Contents Magnumcoolers 10-I and 20-I March Safety California Proposition 65 WarningsElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Sûreté Pour Soudage a L’ArcExplanation of Symbols That Appear on this Equipment OFFTable of Contents MIG InstallationTIG Product Description Installation Product OverviewWater Line Connection Filling the ReservoirProper Coolant Addition T15008 Nipples Scheme Cooler 10-I Mounting Scheme Water Cooled Equipment Installation Coolant OUT GUN Cable Coolant OUT K529-10 Power Input Cable with Water GAS Lines K529-10 Power Input Cable ConnectionSafety Precautions Operating PrecautionsLighted Power Switch OperationMagnum System Monitor Demand System with Water Valve or SOLE- NoidSurge Protection FAN Motor and FAN BladePump Failure Cooling EfficiencyResult the GUN or Torch Feels COOL- ER Result the GUN or Torch Feels HOT- TERCirculation of Magnum Cooler PACAccessories Parts Description for Magnum Cooler AccessoriesHeat Exchanger Maintenance MaintenanceReservoir Maintenance Troubleshooting Troubleshooting GuideDo not Leave Power Troubleshooting Troubleshooting Diagrams Magnum Coolers Codes 9743 Thru Precaucion Warnung