E-2

TROUbLESHOOTING

E-2

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PRObLEMS

(SYMPTOMS)

POSSIbLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Welder will not start.

Supply line fuse blown.

Look for possible cause and repair.

 

Open supply line lead.

Replace fuse.

 

Wrong supply line voltage.

Repair.

 

 

Provide nameplate specified voltage.

 

 

 

Welder will not weld (Contactors

Electrode or ground cable loose or

Tighten connection or repair broken

operating properly)

broken.

cable.

 

Welder control circuit dead: No volt-

Check Control Transformer primary

 

age across Control Transformer X1-

voltage and if OK, replace trans-

 

X2.

former.

 

 

 

Welder will not weld (Contactors not

Thermostat on coil tripped. Welder

Check operation of fans and make

operating).

overheated (Fan motors operating).

sure there is no obstruction to air

 

 

flow. Do not operate in excess of

 

Fuse (or thermostat – below code

welder rating.

 

7600) on control panel open; Control

 

 

circuit overloaded. (Fan motors oper-

SCR’s or diodes on heat sink

 

ating)

assembly or P.C. board failed –see

 

 

Trouble “Welder welds at max. or

 

Circuit across #2 and #4 not working

min. only – no control”. Make repairs

 

properly.

and replace fuse.

 

Wire feeder control power; No volt-

Check connections at terminal strip

 

age across #31 and #32.

and wire feeder. Relay contacts not

 

 

closing. Repair as required.

 

 

Check fuse and replace if no good.

 

 

 

Welder welds at min. only no control.

Remote control switch in wrong posi-

Switch to ‘Panel Control’ for welder

 

tion.

rheostat. Control and “Remote

 

Control” for other control.

 

 

 

Control rheostat open.

Replace rheostat.

 

 

 

Control circuit open.

1.No voltage across #41 and #44 –

 

Repair broken leads or reconnect

 

 

 

Open saturable reactor control coil

loose leads.

 

 

 

or connection.

2. Diodes or SCR’s on heat sinks open

 

 

 

 

or disconnected. Repair or replace.

 

 

3. P.C. board plug disconnected – Check

 

 

plug connection and plug in properly.

 

 

4. P.C. board failed. Determine cause

 

 

and replace board.

 

 

5. Open circuit ar R1 – Repair or replace.

 

 

Repair connection or replace coil.

 

 

 

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.

IDEALARC™ AC-1500

Page 18
Image 18
Lincoln Electric AC-1500 manual Symptoms

AC-1500 specifications

The Lincoln Electric AC-1500 is a versatile and innovative arc welding machine that has garnered attention for its reliability and performance in various industrial applications. Designed to provide powerful welding capabilities, the AC-1500 is particularly beneficial for both professionals and hobbyists who require a robust and efficient welding solution.

One of the standout features of the Lincoln Electric AC-1500 is its capability to produce alternating current (AC) welding. This technology is ideal for welding a variety of materials, including aluminum and magnesium, which can be challenging with conventional direct current (DC) welders. The AC output allows for a smooth arc and a stable weld process, resulting in high-quality welds and minimal spatter.

The AC-1500 is equipped with a user-friendly control panel that simplifies the welding process. It offers adjustable amperage settings, enabling users to fine-tune the output to match specific materials and thicknesses. This versatility ensures excellent penetration and control over the welding process, making it suitable for various projects, from automotive repairs to constructing metal fabrications.

Another key characteristic of the AC-1500 is its portability. Weighing in at a manageable level, it features built-in handles that facilitate easy transportation between job sites. This design is particularly advantageous for welders who often move their equipment, providing convenience without sacrificing performance.

Durability is a hallmark of the Lincoln Electric AC-1500. The machine is built with high-quality materials that withstand the rigors of industrial environments. Its robust construction ensures a long service life, reducing the need for frequent repairs or replacements. Additionally, the AC-1500 is designed with safety features, including thermal overload protection that prevents overheating, ensuring that the welder can work efficiently without concern for equipment malfunction.

In terms of technologies, the AC-1500 incorporates advanced circuits that enhance the stability of the arc, even in difficult welding positions. This technology is critical in achieving consistent results, particularly when welding in challenging conditions.

In conclusion, the Lincoln Electric AC-1500 is a powerful, reliable, and user-friendly arc welding machine. Its AC welding capabilities, adjustable amperage, portability, and robust design make it an excellent choice for a wide range of welding applications. Whether used in a professional setting or by enthusiastic DIY welders, the AC-1500 delivers superior performance that meets the demands of modern welding tasks.