5-2. Fuse F1

1

YTurn Off power before open- ing rear access door.

1Fuse F1 (See Parts List For Rating)

Fuse F1 protects control transform- er from overload. If F1 opens, weld output and fan motor stops. Re- place F1.

Tools Needed:

3/8 in

Ref. ST-800 101-C

5-3. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

Remedy

 

 

No weld output; unit completely inop-

Place line disconnect switch in On position (see Section 3-13).

erative.

 

 

 

 

 

 

 

 

 

Check fuse F1, and replace if necessary (see Section 5-2).

 

 

 

 

 

 

 

Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 3-13).

 

 

 

 

 

 

 

Check for proper input power connections (see Section 3-13).

 

 

 

 

 

 

 

Check for proper jumper link position (see Section 3-12).

 

 

No weld output; Power switch pilot light

If using remote control, place Output (Contactor) switch in Remote 14 position, and connect remote

on; fan on.

control (see Section 3-10). If remote is not being used, place switch in On position.

 

 

 

 

 

 

 

Check, repair, or replace remote control.

 

 

 

 

 

 

 

Unit overheated. Allow unit to cool with fan On (see Section 3-2).

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check control board PC1.

 

 

Unit provides only maximum or mini-

Have Factory Authorized Service Agent check control board PC1 and hall device HD1.

mum weld output.

 

 

 

 

Erratic or improper weld output.

Use proper size and type of weld cable (see Section 3-8).

 

 

 

 

 

 

 

Clean and tighten all weld connections.

 

 

 

 

 

 

 

Check position of Polarity selector switch (see Section 4-1).

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check control board PC1 and hall device HD1.

 

 

No 115 volts ac output at duplex recep-

Reset circuit breaker CB1 (see Section 3-7).

tacle, Remote 14 receptacle, or termi-

 

 

nal strip 1T.

 

 

 

 

No 24 volts ac output at Remote 14 re-

Reset circuit breaker CB2 (see Section 3-7).

ceptacle, or terminal strip 1T.

 

 

 

 

Fan not operating. NOTE: fan only

Check for and remove anything blocking fan movement.

runs when cooling is necessary.

 

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check fan motor.

 

 

 

 

 

OM-222 Page 24

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Hobart Welding Products 452, 302, 652 manual Fuse F1, Troubleshooting, Trouble Remedy
Page 27 Page 29

652, 302, 452 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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