TROUBLESHOOTING

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 20 shown below for diagnosis of the Generator. If the problem cannot be remedied, consult our company's business office or service plant.

TABLE 20. GENERATOR TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

No Voltage Output

AC Voltmeter defective?

Check output voltage using a voltmeter.

 

 

 

 

Is wiring connection loose?

Check wiring and repair.

 

 

 

 

Is AVR defective?

Replace if necessary.

 

 

 

 

Defective Rotating Rectifier?

Check and replace.

 

 

 

 

Defective Exciter Field?

Check for 17.3 ohms across J & K on CN1

 

 

 

Low Voltage Output

Is engine speed correct?

Turn engine throttle lever to "High".

 

 

 

 

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.

 

 

 

Circuit Breaker Tripped

Short Circuit in load?

Check load and repair.

 

 

 

 

Over current?

Confirm load requirements and reduce.

 

 

 

 

Defective circuit breaker?

Check and replace.

 

 

 

 

Over current Relay actuated?

Confirm load requirement and replace.

 

 

 

PAGE 48 — DCA25USIXF/DCA25USI2XF — OPERATION AND PARTS MANUAL — REV. #2 (07/26/11)

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Multiquip DCA25USIXF, DCA25USI2XF operation manual Generator Troubleshooting
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DCA25USI2XF, DCA25USIXF specifications

Multiquip is a renowned name in the construction and industrial equipment sector, known for delivering high-performance generators that cater to various power needs. Two standout models in their lineup are the DCA25USIXF and DCA25USI2XF, both designed for reliability, efficiency, and versatility.

The Multiquip DCA25USIXF is a compact, industrial-grade diesel generator that delivers a powerful 25 kVA, making it ideal for construction sites, outdoor events, and emergency backup applications. This model is powered by a robust Yanmar diesel engine, which ensures high fuel efficiency and low emissions, adhering to stringent environmental standards. The DCA25USIXF features an advanced digital control panel, providing users with an intuitive interface for monitoring performance, voltage output, and operational status. Its sound-attenuated enclosure significantly reduces noise levels, making it suitable for use in noise-sensitive areas.

On the other hand, the DCA25USI2XF model takes power generation a step further by offering dual voltage capabilities, allowing users to switch between 120V and 240V outputs. This flexibility makes it highly versatile, catering to a broader range of tools and equipment. Like the DCA25USIXF, the DCA25USI2XF is also equipped with Yanmar’s reliable diesel engine, which contributes to its durability and long service life. Both models come with a heavy-duty frame to withstand tough conditions, ensuring durability on job sites.

The technology implemented in these generators includes automatic voltage regulation (AVR), which stabilizes voltage output, protecting sensitive equipment from power surges. Additionally, the generators feature a low oil shutdown system, which prevents engine damage by automatically shutting down the generator when oil levels are low. This protective measure not only enhances the longevity of the generator but also contributes to safer operation.

In terms of portability, both models are equipped with rugged wheels and a lifting eye, facilitating easy transportation to various job sites. With their combination of power, efficiency, and advanced features, the Multiquip DCA25USIXF and DCA25USI2XF generators are excellent choices for professionals seeking reliable power solutions in demanding environments. Whether for construction, events, or standby power, these generators deliver exceptional performance tailored to meet diverse needs.
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