Why does the booster pump keep running when not in use?

2 Answers
Moore
07/28/25 8:56pm
The following are the reasons why the booster pump keeps running when not in use: 1. Water leakage in the pipe connected to the booster pump: Due to the decrease in water pressure in the pump chamber, the pump restarts to replenish the pressure. Because the water output is very small, the pressure quickly rises to the set value, causing the booster pump to stop maintaining pressure. When the pressure is reached, the water pressure will drop due to leakage, and the booster pump will replenish the pressure again. 2. The check valve of the booster pump is of poor quality: Since there is no water in the outlet direction of the pump, the pressure is quickly replenished, and the booster pump immediately enters a dormant standby state. The reciprocating cycle causes this obvious shutdown phenomenon. The solution is to replace the one-way check valve with one that meets quality standards. 3. There is a problem with the control system of the booster pump: When the control system malfunctions, the water pump will not work, and the pressure disappears once the pump stops.
Was this review help?
20
2
Share
McKhloe
08/12/25 1:38am
I installed a booster pump at home, and it keeps buzzing when not in use, which is really annoying. After checking, I found out it might be the pump running dry. When there's no water in the system to pump, the pump continues to operate without water, which can cause increased noise due to bearing wear or air getting in. Additionally, unstable power voltage can also make the motor produce abnormal sounds. This thing was originally designed to start on demand, but if the sensor fails or there's a blockage in the pipes, it will keep working hard. Prolonged operation like this not only disturbs the neighbors but also risks burning out the pump core, so it's important to get it checked or inspect the system for leaks promptly. Now, I regularly check the pressure gauge and water level to ensure everything runs smoothly, avoiding being woken up at night and having to spend money on a new pump. Maintenance is actually quite hassle-free.
Was this review help?
7
5
Share
Expand All
More Forum Discussions

How to Reset the Maintenance Light on a Diesel Fengjun 5?

The method to reset the maintenance light on a Diesel Fengjun 5: When the vehicle is not started, press and hold the mileage reset button, do not release it, then start the engine. Wait until the maintenance indicator light disappears before releasing the button. Alternatively, after completing the maintenance, you can ask the staff to use a computer to set it. The Fengjun 5 offers two cargo compartment sizes to choose from: small double and large double. The small double model's cargo compartment dimensions are 1380mm, 1460mm, and 480mm, while the large double model's cargo compartment dimensions are 1680mm, 1460mm, and 480mm. In terms of appearance, the body is relatively simple, with the door handles aligned in a straight line with the rear. The side skirts above the tires are raised, and the rear design is simple, featuring a vertical row of three taillights, with two additional independent taillights below.
5
2
Share

Under What Circumstances Should Spark Plugs Be Replaced?

Spark plugs need to be replaced under the following circumstances: 1. Difficulty starting the car: The normal operation of a car depends on the function of the spark plugs. If the spark plugs fail, the car cannot start; 2. Frequent shaking during driving: This indicates severe carbon buildup on the spark plugs, which requires prompt replacement; 3. Lack of power when climbing hills: Excessive carbon buildup on the spark plugs leads to incomplete fuel combustion, reducing the engine's power performance; 4. Increased fuel consumption: When the spark plugs are abnormal, fuel consumption will significantly increase. Spark plugs are a crucial component of the ignition system in gasoline engines. They introduce high voltage into the combustion chamber and create a spark by jumping the electrode gap, thereby igniting the combustible mixture in the cylinder.
2
1
Share

How long after passing C1 subject 1 can you take subject 2?

For a C1 driver's license, you can schedule the subject 2 exam online 10 days after passing subject 1. According to the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses," the registration requirements for subject 2 include completing 26 study hours: 2 hours of theoretical knowledge, 3 hours of simulated driving, and 21 hours of practical training. For a C1 driver's license, you can schedule the subject 2 exam online 10 days after passing subject 1. Each subject 2 exam appointment provides two attempts. If you fail the first attempt, you can retake it once for free. If you do not attend the retake or fail the retake, the exam ends, and you can reschedule subject 2 after 10 days. During the validity period of the driver's license learning, the number of subject 2 exam appointments cannot exceed five. If you fail the fifth attempt, all previously passed subjects will be invalidated. To continue learning for the driver's license, you must restart from subject 1. Subject 2 exam content includes: completing designated driving tasks within a specified area, demonstrating proficiency in vehicle control, and assessing spatial awareness. Subject 2, also known as the small road test, consists of five required components: reversing into a parking space, parallel parking, stopping and starting on a slope, right-angle turns, and curve driving. Subject 2 exam tips: After getting into the car, adjust the seat and mirrors to a suitable position and ensure the seatbelt is fastened. For parallel parking, find the correct angle quickly, turn the steering wheel promptly, and coordinate with the vehicle's speed. When stopping on a slope, remember to engage the handbrake. When starting, turn on the left signal, release the handbrake, stabilize the clutch, and gently press the accelerator while releasing the clutch to avoid stalling or rolling back. For right-angle turns, react quickly after identifying the turning point and coordinate with the vehicle's speed to prevent deviation. For curve driving (S-turns), slow down. Those with good driving skills can pass smoothly in one go. When reversing into a parking space, control the speed, identify reference points, and make minor adjustments if the mirrors show misalignment. There are three subjects in the driver's license exam: subject 1, subject 2, and subject 3. Subject 1 covers traffic laws, regulations, and related knowledge. Subject 2 is the field driving skills test. Subject 3 consists of two parts: road driving skills and safe driving knowledge. The safe driving knowledge test is conducted after subject 3, so it is commonly referred to as subject 4. However, the official term (as per the Ministry of Public Security's Order No. 123) does not include "subject 4."
2
3
Share

What type of oil is suitable for the EA211 engine?

EA211 is most suitable for fully synthetic VW50200 oil or the corresponding fully synthetic SN-grade 5W40 oil. Below is some knowledge about engine oil. Main characteristics of engine oil: The engine is the heart of a car, containing many metal surfaces that rub against each other during motion. These components operate at high speeds, in harsh environments, and can reach temperatures between 400°C to 600°C. Advanced technology can convert natural gas into crystal-clear fully synthetic base oil, which is then enhanced with unique cleaning technology to create lubricants with superior cleaning and protective performance. Lubricating properties of engine oil: Under various conditions, the ability of engine oil to reduce friction, slow wear, and prevent metal sintering is referred to as the lubricating property of the engine. The viscosity of engine oil is an important indicator for evaluating its lubricating performance.
2
4
Share

How to Use Cruise Control on the Tiggo 7

The method to use cruise control on the Tiggo 7: 1. Press the cruise control switch in the function key area and wait for the cruise icon to appear on the speedometer display; 2. When the speed exceeds 40 kilometers per hour, press the acceleration or deceleration button to activate. The system works by the cruise control component reading the pulse signal from the speed sensor, comparing it with the set speed, and issuing commands to the servo mechanism to adjust the throttle opening accordingly. The Tiggo 7 is a compact SUV produced by Chery Automobile, with body dimensions of 4500mm in length, 1842mm in width, and 1746mm in height, and a wheelbase of 2670mm.
19
0
Share

Where is the cabin air filter located in Dongfeng Fengshen H30?

Dongfeng Fengshen H30's cabin air filter is located beneath the glove compartment on the passenger side. On the outer side facing the seat, there are three screws. After removing these screws and prying open the cover plate, you will see a long sliding cover. There is a screw on the left side; remove this screw and slide the cover to the left to reveal the filter. To replace it, remove the old cabin air filter and install the new one by reversing the removal steps. The Dongfeng Fengshen H30 is a compact car manufactured by Dongfeng Passenger Vehicle, with body dimensions of 4351mm in length, 1760mm in width, and 1528mm in height, and a wheelbase of 2610mm. The car is equipped with an engine that delivers a maximum power of 85kW and a maximum torque of 45Nm. It features a MacPherson strut front suspension and a longitudinal swing arm independent rear suspension with a stabilizer bar.
11
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.