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 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 Rectifier?

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?

Confirm load requirements and reduce.

Defective circuit breaker?

Check and replace.

 

 

Over current Relay actuated?

Confirm load requirement and replace.

DCA25usi2 60 hz Generator • operation and parts manual — rev. #0 (02/04/14) — page 45

Page 45
Image 45
Multiquip dca25USI2 manual Troubleshooting Generator

dca25USI2 specifications

The Multiquip DCA25USI2 is a powerful and versatile portable generator designed for a range of applications in construction, events, and emergency power supply. This model is particularly noted for its durability and reliability, making it an excellent choice for both professionals and DIY enthusiasts.

At the heart of the DCA25USI2 is a robust 25 kW output, giving users plenty of power to run multiple tools, equipment, or systems simultaneously. This generator operates on a powerful water-cooled diesel engine, which not only enhances fuel efficiency but also extends the lifecycle of the machine compared to traditional gas-powered generators. The use of diesel fuel contributes to lower operational costs and makes it suitable for longer usage periods, particularly in remote locations.

One of the standout features of the DCA25USI2 is its compact design. Despite its high power output, this generator maintains a relatively small footprint, allowing for easy transportation and storage. Weighing around 1,800 pounds, it is fitted with a robust frame that provides durability while facilitating easy placement at job sites or outdoor events.

The generator is equipped with advanced noise reduction technology, ensuring that it operates quietly, which is crucial when working in residential areas or noise-sensitive environments. The sound-dampening enclosure significantly lowers operating noise levels, enhancing the overall user experience.

In terms of electrical output, the DCA25USI2 offers multiple options, including both single-phase and three-phase connections. This versatility allows users to power a variety of applications without needing additional adaptors. Moreover, the generator’s heavy-duty alternator ensures stable power delivery, protecting sensitive electronic devices from voltage spikes.

Another key characteristic of the DCA25USI2 is its user-friendly control panel, which features intuitive gauges and circuit breakers for easy management of power distribution. The panel includes a digital hour meter, allowing operators to track usage and plan for maintenance efficiently.

Safety features are also a priority with the DCA25USI2, including automatic shutdown capabilities to protect the engine against low oil levels and overheating. This thoughtful design helps to ensure both the performance and longevity of the generator.

In summary, the Multiquip DCA25USI2 stands out for its powerful output, efficient diesel engine, compact design, and advanced features, making it a top choice for anyone in need of reliable portable power. Whether for construction, events, or emergency backup, this generator is engineered to deliver exceptional performance and peace of mind.