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 P8 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. If an Advanced Control PC board

Contact

your local

Lincoln

Authorized Field Service Facility.

 

 

 

was installed, check setting of

 

 

 

 

 

 

 

 

 

 

 

DIP switch on that board

 

 

 

 

 

 

 

2. Missing plug P3 on Control board

 

 

 

 

 

 

 

 

or bad connection at P3 when an

 

 

 

 

 

 

 

 

Advanced Control PC board is not

 

 

 

 

 

 

 

 

present

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 375

Page 35
Image 35
Lincoln Electric IM909 manual Meter Problems, GAS Problems

IM909 specifications

Lincoln Electric IM909 is an innovative industrial multi-process inverter welder designed to provide exceptional flexibility, performance, and user-friendly operation for a wide range of welding applications. This versatile machine is suitable for both novice and experienced welders, making it an ideal choice for workshops, fabrication shops, and maintenance operations.

At the core of the IM909 is its multi-process capability, allowing users to perform MIG, TIG, and stick welding operations. This means that a single machine can cater to various welding needs, from thin sheet metal to heavy structural projects, providing great versatility in welding materials like steel, stainless steel, and aluminum. The IM909 is designed to meet the demands of today’s welding professionals, enabling seamless transitions between different welding processes without sacrificing performance.

One of the standout features of the IM909 is its advanced inverter technology. The inverter design not only makes the welder compact and lightweight but also enhances energy efficiency and improves arc stability. This results in better control over the welding process, leading to higher quality welds with reduced spatter. Additionally, the IM909 boasts a wide output range, allowing it to handle various welding thicknesses effectively.

Another significant characteristic of the IM909 is its user-friendly interface. The machine comes equipped with a digital display that provides clear readouts of current settings, making it easy for users to monitor and adjust parameters on the fly. Moreover, the intuitive controls simplify the setup process, streamlining operations for users of all experience levels.

Safety is always a top priority in welding operations, and the IM909 integrates several protective features, including over-temperature protection and circuit breaker safeguards. These elements ensure the durability of the machine and protect both the welder and the equipment from potential hazards.

In conclusion, the Lincoln Electric IM909 multi-process inverter welder stands out as a reliable, efficient, and adaptable welding solution. Its combination of advanced inverter technology, multi-process capabilities, user-friendly operation, and safety features makes it an excellent investment for any welding professional looking for quality and versatility in their equipment. Whether performing intricate fabrication work or tackling heavy-duty welding tasks, the IM909 delivers exceptional performance across a wide range of applications.