4-2. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

Remedy

 

 

 

 

 

 

 

 

 

 

Completely inoperative; fan does not run.

Place line disconnect switch in the On position.

 

 

 

 

 

 

 

 

 

Check and replace open line fuse(s) (see Section 2-13).

 

 

 

 

 

 

 

 

 

Check for proper jumper link positions (see Section 2-14).

 

 

 

 

 

 

 

 

 

Check for proper input connections (see Section 2-14).

 

 

 

 

 

No weld output; fan motor FM running.

Reset circuit breakers CB1 and/or CB2, if necessary (see Section 2-12).

 

 

 

 

 

 

 

 

 

Unit overheated. Allow unit to cool with fan on (see Section 2-2).

 

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check control relay CR1.

 

 

 

 

 

Excessive line current; line fuse(s) and/or circuit

Check for proper input connections (see Section 2-14).

breaker(s) open repeatedly.

 

 

 

 

 

 

 

 

 

 

Check for proper jumper link positions (see Section 2-14).

 

 

 

 

 

Weld output available; fan does not run.

Check for and remove anything blocking fan blades.

 

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check fan motor FM.

 

 

 

 

 

Fan runs slowly.

Check for proper jumper link positions (see Section 2-14).

 

 

 

 

 

Limited output and low open-circuit voltage.

Check and replace open line fuse(s) (see Section 2-13).

 

 

 

 

 

 

 

 

 

Check for proper input connections (see Section 2-14).

 

 

 

 

 

 

 

 

 

Check for proper jumper link positions (see Section 2-14).

 

 

 

 

 

Erratic or improper weld output.

Check for proper jumper link positions (see Section 2-14).

 

 

 

 

 

 

 

 

 

Check for proper input connections (see Section 2-14).

 

 

 

 

 

 

 

 

 

Select correct size weld cables (see Section 2-10).

 

 

 

 

 

 

 

 

 

Clean and tighten weld cable connections (see Section 2-10).

 

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent adjust brush contact on slide wire.

 

 

 

 

 

 

 

 

 

For 250 ampere models, check tap slope connections (see Section 2-8).

 

 

 

 

 

 

 

 

 

For 300 ampere models, check inductance connections (see Section 2-9).

 

 

 

 

 

 

 

 

 

Install wire feeder according to it’s Owner’s Manual.

 

 

 

 

 

No 115 volts ac output at Remote 14 receptacle RC8.

Reset circuit breaker CB1, if necessary (see Section 2-12).

 

 

 

 

 

No 24 volts ac output at Remote 14 receptacle RC8.

Reset circuit breaker CB2, if necessary (see Section 2-12).

 

 

 

 

 

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Hobart Welding Products 252TS, 302 manual Troubleshooting, Trouble Remedy
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302, 252TS specifications

Hobart Welding Products has established itself as a trusted name in the world of welding equipment, and among its extensive lineup, the 452,302 model stands out for its exceptional performance and versatility. This MIG welder is designed to meet the needs of both professionals and hobbyists, ensuring high-quality welds in a variety of applications.

One of the main features of the Hobart 452,302 is its robust build quality. Constructed with durable materials, this welder is designed to withstand the rigors of heavy use while maintaining consistent performance. Its compact design allows for portability, making it an excellent choice for on-site jobs or home workshops.

The 452,302 operates on a 230V input power, providing a strong output range that can handle a variety of welding tasks, from thin sheets of metal to thicker materials. It boasts a high maximum output of 230 amps, which allows it to tackle demanding projects with ease. This flexibility makes it suitable for professionals in construction, fabrication, and even automotive repair.

With its excellent arc stability, the Hobart 452,302 ensures ease of use and reduces the chance of defects in welds. The welder features an adjustable wire feed speed, allowing users to dial in the perfect setting for their specific welding task. This customization is crucial for achieving optimal results, as different materials and thicknesses require varying settings.

In terms of technology, the 452,302 integrates advanced thermal overload protection, safeguarding against overheating and prolonging the lifespan of the machine. This feature is particularly beneficial in high-demand environments, where extended periods of operation can lead to equipment failure.

The Hobart 452,302 is also compatible with a range of wire sizes and types, enabling users to expand their welding capabilities. This versatility is enhanced by the welder’s easy connectivity to gas regulators, making it suitable for both gas-shielded and flux-cored welding processes.

In conclusion, the Hobart Welding Products 452,302 is a powerful and versatile MIG welder designed to meet the diverse needs of welders. With its robust build, excellent performance features, and advanced safety technologies, it is a reliable choice for anyone seeking top-quality welding equipment. Whether you're a seasoned professional or an enthusiastic beginner, the 452,302 delivers the performance and durability necessary for successful welds on a variety of projects.
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