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Reasons for High Coolant Temperature of Generator Set

Mar. 08, 2023

During the use of the generator set, the coolant temperature is often too high, which will cause damage to the generator set, from parts damage to normal operation of the whole generator set. Looking at all the causes of excessive coolant temperature of the generator set, some of them can be detected and solved by users themselves, and the other part can be solved by professionals.

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Jiangsu Starlight Power Generation Equipment Co., Ltd. is an enterprise specializing in the production of generator sets. Through the accumulated experience and the search of data, its technicians have summarized the following 12 possible reasons for the high temperature of generator set coolant for the majority of users and put forward corresponding solutions.

1. Insufficient coolant

Treatment method: add coolant

2. Radiator fins blocked

Treatment method: find out the cause of blocking and clean the radiator

3. Poor ventilation of radiator

Treatment method: increase the effective area of ventilation according to the installation requirements to ensure smooth ventilation

4. Coolant fan does not operate properly

Treatment method: check the tension of fan belt, and replace the belt if necessary

5. Fan damage

Treatment method: repair or replace

6. Water pump damage

Treatment method: repair or replace

7. Thermostat failure

Handling method: replace

8. Injection pump fault

Handling method: ask authorized personnel to repair or replace

9. Incorrect fuel supply timing

Processing method: check the fuel injection pump data and ask authorized personnel to repair and adjust

10. Ambient (intake) temperature is too high

Treatment method: maintain the ventilation of the machine room and reasonably reduce the temperature of the machine room

11. Unit overload is serious

Treatment method: control the load and prohibit the unit from overloading for a long time

12. Coolant alarm switch (sensor) or instrument failure

Treatment method: check the control panel, instrument, body sensor, repair or replace, and eliminate the fault.

Founded in 1974, Starlight Power Generation Equipment Co., Ltd. is a professional manufacturer of diesel engines, generators and generator sets, and one of the earliest manufacturers of diesel engines, generators and generator sets in China. Since 1992, the company has been a qualified generator set manufacturer inspected by the National Internal Combustion Engine Generator Set Quality Supervision and Inspection Center. Over the years, the company has carried out extensive cooperation with Shanghai Diesel, Weichai, Sweden Volvo, Sino US joint venture Chongqing Cummins, American Qianglu and other companies, and has become a (OEM) supporting factory and technical center. It has 64 sales service departments nationwide, providing users with design, supply, commissioning and maintenance services at any time. Starlight quality is worth depending on. If you want get more information, please feel free to send email to sales@dieselgeneratortech.com we will pay highly attention on your question.

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