6-5. Troubleshooting Power Source

Is input power connected to correct line voltage?

Yes

Is Changeover switch S2 in the 115V or 230V position?

Yes

Does the breaker trip when unit is set on 115V?

No

Is Power switch S1 in the On position?

Yes

Is the cooling fan running?

Yes

Is Power light flashing?

No

No

No

Yes

No

No

Yes

Connect unit to proper input voltage (see Section 4-8).

Place Changeover switch in proper position for input

voltage (see Section 4-8).

Turn down output current. (see Section 5-1).

Place Power switch in the On position. (see Section

5-1).

*

Check Power switch S1 and relay CR2 and thermistor R1 on PC2. Replace PC2 if R1 or CR2 are not functioning correctly.

*Reset Power switch S1 and verify line power voltage (see Section 4-1). Check relay CR2, thermistor R1 on PC2,

and Control board PC1.

Is Cup Status light On or flashing?

No

Is Temp Status light On?

No

Is Pressure Status light On or flashing?

No

Does pilot arc ignite?

Yes

Does pilot arc

transfer to workpiece?

Yes

Check all connections, Check main transformer T1, Check boost inductor L1 and buck inductor L2.

Return to beginning of chart.

Yes

Check torch consumables.

 

Reset Power switch S1.

 

 

Yes

If unit is overheated, wait

while fan cools down unit

 

 

temperature.

 

 

*

Turn Output control

 

fully counterclockwise (see

Yes

Section 5-1). Check for

gas/air flow at torch. Check

 

Control

board

PC1,

 

pressure switch S3 (gauge),

 

air filter, valve AS1, and air

 

supply

connection

to unit

and torch.

Press torch trigger and check if pilot arc ignites. Check torch consumables.

No *Check torch connections, air filter, pressure switch S3, valve AS1, air supply connection to unit, torch, and PC1.

Place torch near workpiece and check if pilot arc “jumps” No or transfers to workpiece. Check work clamp connection. *Check Control board PC1 and connections, and torch and its connections.

*Servicing procedure to be performed only by authorized Service Station.

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Hobart Welding Products ICE-27C, 400 manual Troubleshooting Power Source
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ICE-27C, 400 specifications

Hobart Welding Products has long been a respected name in the welding industry, and the Hobart 400, ICE-27C is a prime example of their dedication to quality and performance. This machine is engineered to meet the demanding needs of both amateur welders and seasoned professionals, offering versatility and reliability in a compact design.

One of the key features of the Hobart 400, ICE-27C is its powerful performance. With a robust power output, it can handle a wide range of materials, from thin sheet metal to heavier gauges. This capability makes it suitable for various applications, including automotive repair, fabrication, and industrial work. The machine supports multiple welding processes, including MIG and Flux-Cored welding, giving users the flexibility to choose the most effective method for their specific projects.

The advanced technology incorporated into the Hobart 400, ICE-27C is evident in its inverter design, which ensures energy efficiency and a lightweight, portable unit. This inverter technology allows for smooth, stable arcs and minimizes spatter, resulting in cleaner welds. Additionally, the unit offers adjustable parameters, enabling welders to customize their settings according to the task at hand, promoting precision and control.

Safety is a paramount consideration in the design of the Hobart 400, ICE-27C. The machine is built with user-friendly features such as an easy-to-read display and intuitive controls, allowing for a straightforward operating experience, even for novices. It also includes thermal overload protection to safeguard the unit against overheating, ensuring durability and longevity.

Portability is another important characteristic of the Hobart 400, ICE-27C. Weighing significantly less than traditional welding machines, it can be easily transported to various job sites. The compact design makes it ideal for both shop and field applications, catering to the needs of mobile welders.

In summary, the Hobart Welding Products 400, ICE-27C combines powerful performance, advanced technology, and safety features in a portable package. Whether for professional use or for hobbyists looking to take their skills to the next level, this welding machine stands out as a reliable choice that embodies Hobart's commitment to quality and innovation in welding solutions. It's a tool that not only meets but often exceeds the expectations of its users in the welding community.
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