TROUBLESHOOTING (GENERATOR)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 19 shown below for diagnosis of the Generator. If the problem cannot be remedied, consult our company’s business offi ce or service plant.

Table 19. 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 Rectifi er?

Check and replace.

 

Defective Exciter Field?

Check for approximately 17.3 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?

Confi rm load requirements and reduce.

Defective circuit breaker?

Check and replace.

 

 

Over current Relay actuated?

Confi rm load requirement and replace.

PAGE 50 — DCA125SSIU 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #3 (01/13/11)

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Multiquip DCA125SSIU manual Troubleshooting Generator
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DCA125SSIU specifications

The Multiquip DCA125SSIU is a robust and versatile diesel generator that is designed to meet the power needs of various applications, from construction sites to events and emergency situations. With a power output of 125 kVA, this generator combines efficiency and reliability, making it an ideal choice for professionals who demand optimal performance in challenging environments.

One of the primary features of the DCA125SSIU is its industrial-grade a diesel engine. This engine not only delivers impressive power but also emphasizes fuel efficiency. The generator is equipped with advanced fuel management technologies that help minimize consumption while maximizing output, making it cost-effective for long-term use.

In terms of durability, the DCA125SSIU is built with a sturdy enclosure that protects it from environmental factors. The weather-resistant design ensures that it operates effectively in a variety of weather conditions, ensuring reliable performance when needed the most. Additionally, its compact size allows for easy transport and storage, which is particularly beneficial for contractors and rental companies.

The DCA125SSIU features a user-friendly control panel that provides essential information at a glance. This panel includes gauges for monitoring key parameters such as voltage, frequency, and hours of operation. It also has an automatic voltage regulator (AVR) that maintains consistent voltage output, safeguarding connected equipment from potential damage caused by power fluctuations.

Safety is a priority with the DCA125SSIU, as it is equipped with several emergency shutdown features. These include low oil pressure, high temperature, and overload protection, ensuring that the generator operates safely under all conditions. Further enhancing its operational reliability, the generator comes with a built-in fuel tank that allows for extended runtime, reducing the frequency of refueling during use.

In summary, the Multiquip DCA125SSIU is a powerful, durable, and efficient diesel generator that meets the diverse power needs of various industries. Its combination of a high-performance engine, user-friendly control panel, robust safety features, and fuel efficiency makes it an exceptional choice for anyone looking for a reliable power solution. Whether for temporary power during events, backup for critical systems, or support at construction sites, the DCA125SSIU is engineered to perform.
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