E-4

 

TROUbLESHOOTING

E-4

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PRObLEMS

 

POSSIbLE CAUSE

RECOMMENDED

 

(SYMPTOMS)

 

COURSE OF ACTION

 

 

 

 

 

 

 

Tip seizes in diffuser.

1.

Tip overheating due to prolonged

 

 

 

 

or excessive high current and/or

 

 

 

 

duty cycle welding.

 

 

 

Note: A light application of high tem-

 

 

 

 

perature antiseize lubricant

 

 

 

 

(such as Lincoln E2067

 

 

 

 

Graphite Grease) may be

 

 

 

 

applied to tip of threads.

 

 

 

 

 

Unit shuts off while welding or

1.

Wire feed shut down circuit

 

attempting to weld, status light is

 

maybe electrically open. (Leads

 

red/green alternating between colors

 

570 and 572 in wire feed head.

 

every second. Unit tries to recover

 

 

 

after 30 seconds and may repeat

2.

The wire drive motor may be

 

again.

 

overloaded. Check for mechani-

 

 

 

 

cal restrictions in the wire feeding

If all recommended possible areas of

 

 

 

path.

misadjustment have been checked

 

 

 

 

and the problem persists, Contact

 

 

 

 

your local Lincoln Authorized

Drive roll does not turn although arc

1.

Check for loose or broken leads

Field Service Facility.

voltage is present, and solenoid is

 

at the wire drive motor.

 

on. Feed head and Control Box sta-

 

 

 

tus LEDs are both solid green.

2.

Defective wire feed motor or feed

 

 

 

 

head Printed Circuit (PC) board.

 

 

 

 

Note: With WFS set to max con-

 

 

 

 

trol board should supply 24 VDC

 

 

 

 

to motor (leads #550, #551).

 

 

 

 

 

No wire feed, solenoid, or arc volt-

1.

Faulty gun trigger switch. The gun

 

age. Status LEDs are solid green.

 

trigger switch or circuit may be

 

 

 

 

faulty. Check or Replace.

 

 

 

 

 

No control of wire feed.

1.

Defective motor tach or control

 

All status lights are solid green.

 

PC board, or harness. Check for

 

Preset WFS is adjustable on Control

 

loose or faulty connections on

 

Box

 

motor tach. See Wiring Diagram.

 

 

 

 

 

Wire feed motor turns and solenoid

1.

Power source may be defective.

 

operates, but no arc voltage is pre-

 

See Power Source LED Status

 

sent. Status light is solid green on

 

Light Chart.

 

Control Box.

 

 

 

 

 

2.

Check for broken/Hi impedance

 

 

 

 

connection in weld circuit.

 

 

 

 

 

 

 

 

 

 

 

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.

POWER FEED™ 10M DUAL WIRE FEEDER

Page 53
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Lincoln Electric IM916 manual TROUbLESHOOTING

IM916 specifications

Lincoln Electric IM916 is a state-of-the-art multi-process welding machine designed to meet the needs of professionals in various industries. This versatile welder combines productivity, performance, and durability, making it an ideal choice for both expert welders and apprentices alike.

One of the standout features of the Lincoln Electric IM916 is its multi-process capability. It supports MIG, TIG, and Stick welding, allowing users to switch between processes with ease. This adaptability ensures that users can tackle a diverse range of welding applications, from fabrication and repair work to manufacturing and construction projects.

The IM916 boasts advanced inverter technology, resulting in a compact design that does not compromise on power. Inverter technology allows for efficient energy consumption, providing a more stable arc with improved control and consistency. This feature not only enhances the quality of the welds but also prolongs the life of the machine and reduces operating costs.

Additionally, the machine is equipped with a digital display that offers real-time feedback on weld parameters, making it easier for users to adjust settings on the fly. This helps in achieving precise results and enhancing overall welding performance. The intuitive interface is user-friendly, making it suitable for beginners while still providing the advanced functionalities experienced welders require.

The Lincoln Electric IM916 also features a robust construction designed for longevity in harsh working environments. It is built to withstand the rigors of heavy use, with durable components and protective features that enhance its resilience. This reliability ensures that the machine can perform consistently, even in demanding conditions.

Furthermore, the IM916 is designed with portability in mind. Its lightweight design and integrated handles make it easy to transport between job sites. This mobility is crucial for professionals who require equipment that can keep up with a fast-paced work environment.

In terms of safety, the Lincoln Electric IM916 incorporates several protective features, including thermal overload protection and safety alerts. These mechanisms provide peace of mind to users, allowing them to focus on their work without worrying about equipment failure.

In summary, the Lincoln Electric IM916 is a highly versatile, efficient, and durable welding machine that stands out in its category. With its multi-process capabilities, advanced inverter technology, user-friendly interface, and durable construction, it caters to a wide range of welding tasks, making it a valuable asset for any welding professional.