TROUBLESHOOTING (ENGINE CONTROLLER)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 20 (Engine Controller Troubleshooting) as a basic guideline for troubleshooting the Microprocessor Engine Controller unit (MPEC). If the problem cannot be remedied, consult our company's business office or service plant.

Table 20. Engine Controller Troubleshooting (MPEC)

Symptom

Possible Problem

Solution

 

Low oil level?

Fill oil level.

Low oil pressure light is on.

Oil pressure sending unit failure?

Replace oil pressure sending unit.

Time delay malfunction in controller?

Refer to dealer.

 

 

Wire shorted?

Inspect/repair wire.

 

Fan belt tension incorrect?

Tighten/replace fan belt.

 

Air fl ow is not circulating through radiator?

Clean/repair radiator grill.

 

Doors open?

Close doors.

High coolant temperature

Exhaust leaking?

Replace/repair gaskets or faulty part.

light is on.

Generator being overloaded?

Check/reduce load.

 

Thermostat failure?

Replace thermostat.

 

Air intake blocked?

Clean all air intakes.

 

Temperature switch failure

Replace temperature switch.

Overcrank light is on.

No or low fuel?

Fill fuel level.

Controller needs to be calibrated?

Refer to dealer.

 

 

RPM engine speed too high?

Adjust RPM.

Overspeed light is on.

Governor actuator needs to be adjusted?

Adjust governor actuator.

Governor controller needs to be adjusted?

Adjust governor controller.

 

 

Engine controller needs to be calibrated?

Refer to dealer.

 

Magnetic pickup out of adjustment?

Adjust magnetic pickup.

Overspeed and engine start

Magnetic pickup dirty?

Clean magnetic pickup.

lights are on at same time.

Is magnetic pickup cable connected?

Inspect magnetic pickup cable and

 

 

connect cable securely.

 

 

DCA125SSIU 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #3 (01/13/11) — PAGE 51

Page 50 Page 52
Page 51
Image 51
Multiquip DCA125SSIU manual Troubleshooting Engine Controller
Page 50 Page 52

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.
Top Page Image Contents