Troubleshooting (Generator)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 17 shown below for diagnosis of the Generator. If the problem cannot be remedied, consult our company’s business office or service plant.

Table 17. Generator Troubleshooting

Symptom

Possible Problem

Solution

 

AC Voltmeter defective?

Check output voltage using a voltmeter.

 

Is wiring connection loose?

Check wiring and repair.

No Voltage Output

Is AVR defective?

Replace if necessary.

 

Defective Rotating Rectifier?

Check and replace.

 

Defective Exciter Field?

Check for approximately 19 ohms across J & K on CN1

 

Is engine speed correct?

Turn engine throttle lever to “High”.

Low Voltage Output

Is wiring connections loose?

Check wiring and repair.

 

Defective AVR?

Replace if necessary.

High Voltage Output

Is wiring connections loose?

Check wiring and repair.

Defective AVR?

Replace if necessary.

 

 

Short Circuit in load?

Check load and repair.

Circuit Breaker Tripped

Over current?

Confirm load requirements and reduce.

Defective circuit breaker?

Check and replace.

 

 

Over current Relay actuated?

Confirm load requirement and replace.

page 50 — DCA300SSC / DCA300SSCU Gen. • operation and parts manual — rev. #1 (08/10/11)

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Multiquip DCA300SSCU manual Troubleshooting Generator
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DCA300SSCU specifications

The Multiquip DCA300SSCU is a powerhouse generator designed for both commercial and industrial applications, providing reliable performance in various environments. With a robust design and advanced technology, this generator stands out in the competitive field of portable power solutions.

One of the main features of the DCA300SSCU is its reliable diesel engine, which provides 300 kVA of power. The generator is powered by a fuel-efficient Yanmar engine, known for its durability and low emissions, making it an eco-friendly choice for users who need sustained power without sacrificing environmental standards. This engine is designed to operate efficiently, ensuring lower operational costs over time.

The DCA300SSCU boasts impressive electrical characteristics. It is equipped with a state-of-the-art automatic voltage regulator (AVR) that ensures voltage stability, protecting sensitive electronic equipment from damage due to voltage fluctuations. Additionally, the generator's output can be customized to meet specific needs, offering versatility for various applications ranging from construction sites to events.

This model integrates advanced noise reduction technology, making it quieter than many traditional generators on the market. An enclosed canopy design significantly dampens noise pollution, an essential feature for operation in urban areas or during nighttime events. This focus on reduced sound output allows for greater flexibility in deployment locations without disturbing nearby environments.

Ease of use and maintenance are other key characteristics of the DCA300SSCU. The generator features a user-friendly control panel that makes operation straightforward, even for individuals with minimal experience. Additionally, the maintenance intervals are designed to be manageable, reducing downtime and ensuring that the generator stays operational when it’s needed most.

In terms of mobility, the DCA300SSCU is designed with a trailer for easy transportation, allowing it to be moved from one job site to another with minimal effort. The robust frame and integrated lifting points ensure stability and safety during transit.

In summary, the Multiquip DCA300SSCU is a powerful, efficient, and versatile generator that meets the demands of numerous applications. With its dependable diesel engine, advanced voltage regulation, noise reduction mechanisms, and user-friendly design, it is an ideal choice for professionals seeking a high-performance power solution.
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