D-2

 

TROUBLESHOOTING

D-2

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PROBLEMS

RECOMMENDED

 

 

(SYMPTOMS)

COURSE OF ACTION

 

 

 

 

 

 

 

FUNCTION PROBLEMS

 

 

 

 

1. With CV Adapter in CV position:

A. For Codes below 10400 and 10664 and 10665.

 

a. Open circuit voltage is 60 to

Check to see if DC field circuit is grounded to frame of welder. If grounded, remove

 

70 volts and cannot be adjust-

ground. Then check 1/8(1) amp fuse on CV Adapter PC board and replace if blown.

 

ed.

(Grounded DC field circuit may or may not cause fuse to blow.) NOTE: On SAE-300,

b. Open circuit voltage cannot be

SAE-400 and SAE-400 WELD’N AIR Engine Welders with AC auxiliary output, discon-

adjusted above 38 volts.

nect one side of flashing diode. On SAE-300, SAE-400 and SAE-400 WELD’N AIR

 

c. Open circuit voltage can be

machines above Code 8812 or SAE-350 machines also disconnect SAE green lead from

adjusted to 60-70 volts instead

CV Adapter lead 613.

 

of the normal maximum 36 to

 

 

48 volts.

NOTE: ON SAE UNITS BELOW CODE 9936, THE SAE GREEN

 

 

 

LEAD WAS RED.

 

 

 

Reconnect the above items after trouble is determined and resolved.

 

 

B. For Codes 10601,10602,10856,10884 and 10885.

 

 

 

Verify that the diodes in the lead between D1 negative and the ground

 

 

screw are not shorted and are oriented properly. Check 1/8 amp fuse

 

 

on CV adapter PC board and replace if blown.

 

 

 

 

2. On SA-250, open circuit voltage

A. Check to see if DC field circuit is grounded to frame of welder. If

 

remains at 5 to 10 volts and can-

grounded remove ground. Then check if either 5(1) amp fuse mounted

not be adjusted.

in CV Adapter box is blown and replace if blown. (Grounded DC field

 

 

circuit may or may not cause fuse to blow.) Also check if 2 amp fuse

 

 

on CV Adapter PC board is blown and replace if blown.

 

 

 

 

3. No CV control of output voltage.

A. Lower CV Adapter mode switch in wrong position.

 

 

 

B. On SA-200, SA-250, Classic I and Classic II, thermostat tripped. Wait

 

 

for machine to cool down.

 

 

 

C. 2 amp fuse blown on CV Adapter PC board — replace fuse.

 

 

 

D. Output not connected to the proper output terminals. See manual for

 

 

proper connections.

 

 

 

E. Defective lower mode switch — replace 3PDT toggle switch (Sl).

 

 

 

F. Defective relay — replace relay.

 

 

 

G.Defective CV Adapter PC board — replace PC board.

 

 

 

 

 

 

 

 

 

(1)These fuses are not on earlier units.

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.

CV ADAPTER

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Lincoln Electric IM309-D manual Troubleshooting, Recommended Symptoms Course of Action
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IM309-D specifications

Lincoln Electric IM309-D is a cutting-edge multi-process welding machine designed to meet the demands of both professionals and hobbyists in various welding applications. This machine stands out in the marketplace due to its innovative features, robust build, and advanced technologies that enhance usability and performance.

One of the main features of the IM309-D is its multi-process capability. The machine can seamlessly switch between MIG, TIG, and Stick welding processes, making it versatile for different welding tasks. This flexibility is particularly valuable in environments where different welding techniques are required for distinct projects.

The IM309-D employs advanced digital controls that offer precise welding parameters and settings adjustment. This level of control enables users to achieve optimal quality in their welds, regardless of the material type or thickness. The intuitive interface makes it user-friendly, allowing even less experienced welders to navigate its features with ease.

In terms of power, the IM309-D is equipped with a robust duty cycle that ensures consistent performance during extended welding tasks. It supports a wide voltage input, allowing it to operate effectively in various industrial or construction site settings. The machine is designed to be energy-efficient, reducing operational costs without compromising performance.

One of the prominent technologies utilized in the IM309-D is its Auto-Set feature. This intelligent technology automatically calculates optimal settings based on the material type and thickness, saving time and minimizing guesswork for the welder. Additionally, it incorporates an advanced cooling system that prevents overheating, ensuring reliability during prolonged use.

Safety is another critical focus of the IM309-D design. The machine features multiple safety mechanisms, including overload protection and thermal shutdown features that protect both the equipment and the operator. The robust construction also ensures durability, making it suitable for rigorous work environments.

Overall, the Lincoln Electric IM309-D stands out for its exceptional combination of versatility, efficiency, and safety. With its advanced technology and user-friendly interface, it is a reliable choice for welders looking to enhance their productivity and achieve superior results in their welding projects. Whether used in a professional shop or a home workshop, the IM309-D delivers impressive performance and value.
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