Lincoln Electric IM665 manual Symptom Check

Page 25

E-6

 

TROUBLESHOOTING

E-6

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

STATUS BOARD INDICATORS

 

 

 

 

 

 

 

 

SYMPTOM

 

 

CHECK

 

 

 

 

The Air Low LED is lit

 

1. Make sure there is at least 80 psi connected to the gas connec-

 

 

 

 

tion at the back of the machine.

 

 

 

 

2.

Press the Purge button and set the regulator to 55 psi. The pres-

 

 

 

 

sure may increase when air stops flowing but this is normal. Do

 

 

 

 

not reset the pressure while the air is OFF.

 

 

 

 

3.

Possible faulty Pressure Switch.

 

 

 

 

4.

Possible faulty Control board.

 

 

 

 

The Safety LED is lit and steady

 

1. Turn the power OFF and then ON. If torch and consumables are

 

 

 

 

properly installed, the Safety LED should turn off. Normal cutting

 

 

 

 

or gouging can resume.

 

 

 

 

The Thermal LED is lit

 

1. The machine's thermostat has tripped due to exceeded duty

 

 

 

 

cycle limits. Do NOT turn the power off. Allow the machine to

 

 

 

 

cool for 15 - 30 minutes and the thermostat will reset itself.

 

 

 

 

2.

The machine's air louvers or fans are obstructed such that air

 

 

 

 

cannot flow to properly cool the machine. Remove any foreign

 

 

 

 

material that may block air flow. Blow the machine out with a

 

 

 

 

clean, dry air stream.

 

 

 

 

3.

The input voltage is not within ±10% of rated values.

 

 

 

 

4. Possible faulty Control board.

 

 

 

 

 

 

 

PRO-CUT 25

Image 25
Contents PRO-CUT TM California Proposition 65 Warnings SafetyElectric Shock can kill Welding Sparks can cause fire or explosion Sûreté Pour Soudage a L’Arc Précautions DE SûretéPlease Examine Carton and Equipment For Damage Immediately Table of Contents Technical Specifications PRO-CUT 25 K1756-1 InstallationSelect Proper Location Safety Precautions Electric Shock can KillHigh Frequency Interference Protection Input Electrical ConnectionsGAS Input Connections Torch Output ConnectionsPreheat Temperature for Plasma Cutting Safety PrecautionsOperation DescriptionDesign Features Advantages Operational Features and ControlsUser Responsibility Consumable Life Cutting CapabilityLimitations Controls and SettingsElectric Shock can Kill Pilot ARC DiscussionGeneral In All Cases Procedure RecommendationsGeneral Options Accessories AccessoriesRoutine Maintenance MaintenancePeriodic Maintenance HOW to USE Troubleshooting Guide TroubleshootingTroubleshooting Troubleshooting Possible Areas Or dross Symptom Check Diagrams PRO-CUT 25 Wiring DiagramPrecaucion Warnung
Related manuals
Manual 29 pages 30.82 Kb