Lincoln Electric IM665 manual Troubleshooting

Page 22

E-3

TROUBLESHOOTING

E-3

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF

MISADJUSTMENTS

RECOMMENDED

COURSE OF ACTION

The Pro-Cut powers up properly but 1. Press Purge button on the front of

there is no response when the trig-

the Pro-Cut. If air does not flow,

ger is pulled and only the POWER

then:

LED is lit.

a. Reconnect Board may be

 

faulty.

 

b. The main gas solenoid assem-

 

bly may be faulty. Check or

 

replace.

 

c. Possible faulty Control board.

2.Remove the handles (or barrel) of the torch and examine all the con- nections. Pay attention to location of electrode lead mounting at back of torch head, broken trigger and solenoid leads.

3.Check for proper trigger switch

operation. Remove the torch cable

assembly from the Pro Cut and If all recommended possible areas of test for continuity between 1 and 2 misadjustment have been checked at the Green 4 Pin Connector and the problem persists, Contact when the trigger switch is your local Lincoln Authorized depressed and no continuity when Field Service Facility.

the switch is not depressed. Replace the trigger switch or torch cable if defective.

4.Possible faulty Control board.

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.

PRO-CUT 25

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Contents PRO-CUT TM Safety Electric Shock can killPlasma ARC can injure Page Précautions DE Sûreté Sûreté Pour Soudage a L’ArcPlease Examine Carton and Equipment For Damage Immediately Table of Contents Installation Technical Specifications PRO-CUT 25 K1756-1High Frequency Interference Protection Safety Precautions Electric Shock can KillSelect Proper Location Input Electrical ConnectionsGAS Input Connections Output Connections TorchOperation Safety PrecautionsPreheat Temperature for Plasma Cutting DescriptionDesign Features Advantages Operational Features and ControlsUser Responsibility Cutting Capability Consumable LifeControls and Settings LimitationsPilot ARC Discussion Electric Shock can KillProcedure Recommendations General In All CasesAccessories General Options AccessoriesRoutine Maintenance MaintenancePeriodic Maintenance Troubleshooting HOW to USE Troubleshooting GuideTroubleshooting Troubleshooting Problems Or dross Symptom Check PRO-CUT 25 Wiring Diagram SW1Precaucion Warnung
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