9-5. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

Remedy

 

 

 

 

 

 

 

 

No weld output; completely inoperative

Place line disconnect in On position (see Section 4-11).

 

 

 

 

 

 

 

Check and replace line fuse(s), if necessary, or reset circuit breaker

 

 

 

(see Section 4-11).

 

 

 

 

 

 

 

Check for proper input power connections (see Section 4-11).

 

 

 

 

No weld output; meter display on with no

Check to see if the contactor indicator light is lit when contactor line is asserted on.

error displayed.

 

 

 

 

 

Erratic or improper weld output with no

Use proper size and type of weld cable (see Section 5-1).

errors displayed.

 

 

 

 

 

 

 

 

Clean and tighten all weld connections.

 

 

 

 

No 115 volts AC at the duplex

Reset supplementary protector CB1.

receptacle.

 

 

 

 

 

Wire does not feed.

Check supplementary protector CB2 and reset if necessary.

 

 

 

 

 

 

 

Check motor control cable connections.

 

 

 

 

Wire feeds erratically.

Readjust hub tension.

 

 

 

 

 

 

 

Readjust drive roll pressure.

 

 

 

 

 

 

 

Clean or replace dirty or worn drive rolls.

 

 

 

 

 

 

 

Remove weld spatter around the nozzle opening.

 

 

 

 

 

 

 

Replace contact tip or liner. See gun Owner’s Manual.

 

 

 

 

 

 

 

Check motor control cable connections.

 

 

 

 

Wire feeds as soon as power is supplied.

Check gun trigger. See gun Owner’s Manual.

 

 

 

 

Wire stubbing on low end using a

Increase output setting of the power source.

constant current power source.

 

Check voltage sense lead connection, clean and tighten if necessary.

 

 

 

 

 

 

 

Gas does not flow or does not stop flow-

Check gas valve and flow meter.

ing; wire feeds.

 

 

 

 

 

Wire burns back to gun contact tip when

Check to be sure that volt sense lead is connected to the work.

using electrode negative (straight

 

polarity) process.

 

 

 

 

 

OM-230 032 Page 36

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Miller Electric Axcess 300 manual Troubleshooting, Trouble Remedy

Axcess 300 specifications

The Miller Electric Axcess 300 is a cutting-edge power source designed for advanced welding applications. This machine stands out in the marketplace for its unique combination of features, performance, and versatility. Ideal for industrial environments, the Axcess 300 is particularly well-suited for multi-process welding, allowing users to engage in MIG, TIG, and Stick welding with ease.

One of the hallmark features of the Axcess 300 is its exceptional output capability. With a maximum output of 300 amps, this machine is equipped to handle a variety of welding tasks ranging from light to heavy fabrication. The machine can easily accommodate materials of varying thicknesses, making it an exceptional choice for diverse welding projects.

Incorporating Miller's advanced Auto-Set technology, the Axcess 300 simplifies the setup process for welders. With just a few inputs from the operator, the machine intelligently adjusts itself to provide optimal welding conditions, ensuring high-quality results without the need for extensive expertise. This feature is especially beneficial for less experienced welders, allowing them to produce excellent welds with minimal guidance.

The Axcess 300 employs Miller's innovative X-Mode technology, which helps to maintain a stable arc even when working with challenging materials or in fluctuating conditions. This enhances arc control, minimizing defects such as spatter and burn-through. Moreover, the machine's extensive voltage range allows for superior performance over different welding procedures, contributing to more efficient operation overall.

Enhanced portability is another important characteristic of the Axcess 300. Its compact design and lightweight construction make it easy to transport, allowing operators to quickly move the machine to different job sites. The durable enclosure protects against the rigors of industrial use, ensuring a long operational lifespan.

Safety features integrated into the Axcess 300 include a built-in thermal overload protection system, which prevents the machine from overheating during heavy usage. Furthermore, the intuitive interface with easy-to-read displays allows for straightforward operational controls, enabling welders to focus on their work without unnecessary distraction.

In summary, the Miller Electric Axcess 300 is a versatile, powerful, and user-friendly welding power source that combines advanced technology with practical features, making it an invaluable asset for professionals in various sectors.