SGW-250SS —TROUBLESHOOTING (WELDER)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the

diagnosis based on the Welder Troubleshooting (Table 8) information shown below. If the problem cannot be remedied, please consult our company's business office or service plant.

TABLE 14. WELDER TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Low speed ?

Refer to "Engine remains at low speed" section.

 

 

 

 

Defective resistor (R)?

Replace resistor.

 

 

 

AC voltage is not present in generator's

Defective Field Controller?

Replace "Field Controller".

 

 

AC section or welding section.

Defective rotor?

Replace rotor.

 

 

 

 

 

Defective Wiring?

Repair wiring.

 

 

 

 

Blown fuse F3?

Replace fuse.

 

 

 

Poor welding and low voltage in AC

Defective Field Controller?

Replace "Field Controller".

power section.

 

 

Defective rotor?

Replace rotor.

 

 

 

 

 

Low speed ?

Refer to "Engine remains at low speed" section.

 

 

 

 

Layer short-circuit in armature

Replace armature.

 

winding?

 

 

 

 

 

Defective wiring?

Repair wiring.

 

 

 

 

Defective current transformer?

Replace transformer, CT1, CT2 or CT3.

 

 

 

 

Defective Field Controller?

Replace "Field Controller".

 

 

 

 

Defective rectifier (Re)?

Replace rectifier.

 

 

 

AC power is normal but but there is no

Defective reactor (DCL or L1 or L2)?

Replace reactor.

 

 

 

 

welding capability. Current and voltage

Inadequate length and thickness of

Replace welding cable.

adjustments are in-operative.

welding cable.

 

 

 

 

 

Layer short-circuit in armature

Replace armature.

 

winding?

 

 

 

 

 

Defective wiring?

Repair wiring.

 

 

 

 

Defective selector switches?

Replace S1 or S2.

 

 

 

AC power is too low or can not be used,

Defective circuit breaker

Replace circuit breaker.

but welding is normal.

 

 

Layer short-circuit in armature winding

Replace armature.

 

 

(AC side)?

 

 

 

 

 

Defective wiring?

Repair wiring.

 

 

 

 

Defective Field Controller?

Replace "Field Controller".

 

 

 

Battery discharges too soon.

Defective engine regulator?`

Replace regulator.

 

 

 

 

Defective wiring?

Repair wiring.

 

 

 

 

Defective ignition switch?

Replace ignition switch.

 

 

 

PAGE 36 — SGW-250SS DC WELDER/AC GENERATOR— PARTS & OPERATION MANUAL — REV. #2 (08/08/01)

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Multiquip operation manual SGW-250SS -TROUBLESHOOTING Welder
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SGW-250SS specifications

The Multiquip SGW-250SS is an innovative and robust generator designed for a wide range of applications, from construction sites to outdoor events. This generator stands out due to its combination of reliability, efficiency, and portability, making it a top choice for professionals and enthusiasts alike.

One of the main features of the SGW-250SS is its powerful 25 kW output. This high output capacity ensures that it can handle multiple tools and equipment simultaneously, making it ideal for construction or industrial applications. The generator is equipped with a durable engine that delivers impressive performance even under heavy loads, ensuring that users can rely on it to meet their power needs without interruption.

In addition to its powerful output, the SGW-250SS boasts a range of advanced technologies aimed at maximizing performance and minimizing operating costs. The generator features an advanced digital control panel that simplifies operation and monitoring. This panel provides essential information such as voltage output, frequency, and operating hours, allowing users to keep track of performance effortlessly.

Another notable characteristic of the SGW-250SS is its robust construction. Designed to withstand harsh environments, this generator features a corrosion-resistant frame and heavy-duty components that enhance its longevity. The generator also offers excellent noise reduction capabilities, making it a suitable option for use in noise-sensitive areas.

Portability is another key aspect of the Multiquip SGW-250SS, as it is designed with mobility in mind. The generator comes equipped with rugged wheels and a foldable handle, allowing for easy transport across various terrains. This feature is particularly beneficial for contractors who need to move the generator frequently between job sites.

Safety features are also integral to the design of the SGW-250SS. It includes low oil shutdown and circuit breaker protection, which help to prevent damage and ensure safe operation. These safety measures are essential in maintaining the generator's reliability and protecting both the equipment and the users.

In summary, the Multiquip SGW-250SS combines power, portability, and safety in a reliable generator package. Its advanced technologies, robust construction, and user-friendly features make it an excellent choice for various professional and recreational applications. Whether for construction, outdoor events, or emergency backup, the SGW-250SS is engineered to deliver performance and peace of mind.
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