Lincoln Electric 275 manual Meter Problems, GAS Problems

Page 35

E-3

 

TROUBLESHOOTING

 

 

 

 

E-3

 

 

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE

 

RECOMMENDED

 

(SYMPTOMS)

 

CAUSE

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

METER PROBLEMS

 

 

 

 

 

 

 

 

 

 

 

 

Meter does not light up

1. Bad meter or its connection.

 

 

 

 

 

 

 

2.

Bad connection at P13 of Control

 

 

 

 

 

 

 

 

PC board.

If all recommended possible areas

 

 

 

 

 

 

3.

Faulty Control PC board.

of

misadjustment

have

been

 

 

 

 

checked and the problem persists,

 

 

 

 

Contact

your

local

Lincoln

Meter does not display V (Volt) or

1. Bad Display switch or its connec-

Authorized Field Service Facility.

Min A (Minimum current)

 

tion.

 

 

 

 

 

 

 

2.

Bad connection at P9 of Control

 

 

 

 

 

 

 

 

PC board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAS PROBLEMS

 

 

 

 

 

No gas

1. Circuit breaker CB1 open. Press

 

 

 

 

 

 

 

 

CB1 in to reset.

 

 

 

 

 

 

 

2.

Bad connection at P12 of Control

 

 

 

 

 

 

 

 

PC board.

 

 

 

 

 

 

 

3.

Faulty gas solenoid valve SV1 or

 

 

 

 

 

 

 

 

its connection.

 

 

 

 

 

 

 

4.

Faulty Control PC board.

 

 

 

 

 

 

 

 

 

 

 

 

No control on post flow time

1. Faulty potentiometer R3 or its

 

 

 

 

 

 

 

 

connection.

 

 

 

 

 

 

 

2.

Bad connection at P9 of Control

If all recommended possible areas

 

 

of

misadjustment

have

been

 

 

 

PC board.

 

 

 

checked and the problem persists,

 

 

 

 

Pre flow & Post flow time too long

1. For Postflow; the DIP switch set-

Contact

your local

Lincoln

 

 

 

ting on the Advanced Control PCB

Authorized Field Service Facility.

 

 

 

(if installed) may be set for time x2.

 

 

 

 

 

 

 

 

Check DIP switch setting.

 

 

 

 

 

 

 

2.

For Preflow; Menu setting too

 

 

 

 

 

 

 

 

long. Check Menu setting.

 

 

 

 

 

 

 

3.

Missing plug P3 on Control board

 

 

 

 

 

 

 

 

or bad connection of P3 to

 

 

 

 

 

 

 

 

Advanced Control PCB.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

PRECISION TIG 275

Image 35
Contents Precision TIG Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a LʼArc Précautions DE SûretéThank You Table of Contents Precision TIG InstallationRated Input Single Phase only Duty Cycle-Applications Volts at Rated Amperes AmpsAdditional Output Capacity Recommended Input Wire and Fuse SizesPhysical Dimensions Temperature RangesSafety Precautions Input and Grounding Connections Output CABLES, Connections and Limitations Work Cable ConnectionStick Electrode Cable Connection Figure A.2 TIG Torch ConnectionFigure A.3 Auxiliary Power ConnectionsFigure A.4 Robotic Interface ConnectionWelding Sparks OperationProduct Description Pipe ThawingEquipment Limitations Recommended Processes and EquipmentRecommended Processes Process LimitationsFigure B.1 Control Panel Controls and SettingsOperation Digital Display TIG Mode MenuAdvanced Panel Controls Do not USE 4-STEP if Using AN Amptrol RemoteOperation Stick Welding Features Internal SET UP ControlsTIG Welding Features Figure B.3 Figure B.4 Setup Guidelines for TIG Welding With AN Amptrol TIG Weld Cycle ChartFigure B.6 Gtaw Process Making a TIG Weld with AN AmptrolRecommended Electrode Amperage Ranges Precision TIG Smaw ProcessOptional Equipment AccessoriesFactory Installed Options Field Installed OptionsOverload Protection MaintenanceSafety Precautions Routine and Periodic MaintenanceSpark GAP Adjustment Service ProceduresComponent Access UNDER-COOLER Service Meter Calibration AdjustmentHOW to USE Troubleshooting Guide TroubleshootingCourse of Action SymptomsOutput Problems GAS Problems Meter ProblemsHI-FREQ Problems Preset & Output Control Problems TIG Welding Problems Stick Welding ProblemsTIG Problems Wiring Diagram Wiring Diagram Dimension Print K2619-1 Domestic Precision TIG Precision TIG Aviso DE Warnung
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275 specifications

The Lincoln Electric 275 is a versatile multi-process welding machine that stands out for its advanced features and robust performance. Designed for both novice and experienced welders, the machine offers MIG, TIG, and stick welding capabilities, making it a valuable tool for a variety of applications.

One of the main features of the Lincoln Electric 275 is its power output. With an impressive selection of amperage settings, it can deliver between 25 to 275 amps, making it suitable for both thin and thick materials. This flexibility allows users to work on projects ranging from automotive repairs to industrial fabrication.

The machine utilizes inverter technology, which significantly enhances its efficiency and reduces power consumption. Inverter welders are known for their lightweight design and compact size compared to traditional transformer-based welders. This portability makes the Lincoln Electric 275 easy to transport to job sites, catering to both professional and hobbyist welders who require mobility.

Another defining characteristic of the Lincoln Electric 275 is its easy-to-use interface. The digital display provides clear readings, allowing users to effortlessly adjust settings for optimal performance. Additionally, the machine features a user-friendly control panel with distinct knobs for regulating voltage and wire feed speed, assisting welders in achieving precise welds.

The Lincoln Electric 275 is also equipped with advanced arc technologies. Its built-in arc control enhances the stability of the welding arc, resulting in a smoother, more consistent weld. Furthermore, the machine offers synergic controls that automatically adjust the voltage and wire feed speed based on the selected material and thickness, making the welding process more intuitive and reducing the margin for error.

Durability is another hallmark of the Lincoln Electric 275. Constructed with high-quality materials, the machine is built to withstand the rigors of daily use in demanding environments. Its design also incorporates efficient cooling mechanisms to prevent overheating during prolonged operations, ensuring longevity and reliability.

In conclusion, the Lincoln Electric 275 is a powerful and adaptable welding machine that combines advanced technology with user-friendly features. Its multi-process capabilities, inverter technology, and robust construction make it an essential tool for both professional welders and DIY enthusiasts. Whether tackling intricate projects or heavy-duty tasks, the Lincoln Electric 275 proves to be a reliable choice that does not compromise on performance.