Tag: troubleshooting

When there is mains power, the UPS output is normal, but when there is no mains power, the buzzer beeps for a long time and there is no output. Fault analysis: It is judged from the phenomenon that the battery and inverter are partially faulty, and can be checked according to the following procedures.

Do garage door openers have power? Insert a light into the socket. If the light does not come on, check the fuse box or circuit breaker. Are all doors unlocked? Re-read the installation instructions warnings. Is there ice or snow under the door? The door may have frozen to the ground. Clear obstacles. The garage door spring may have broken. Ask a qualified person to replace it.

The reactor has the function of passing DC and resisting AC in the circuit. When an unsteady current flows through a conductor, a changing magnetic field will be generated, which will in turn affect the current, so any conductor will have a self-inductance phenomenon. Reactors are widely used in the system. Based on years of operating experience, the author introduces several common faults and their solutions.

With the development of technology and rising labor costs, more and more enterprise factories are using automation, such as machining. The ATC spindle motor is also an integral part of machining. It brings great convenience to everyone and improves production efficiency, but at the same time, there are some problems. Let's talk about some common problems and solutions of automatic tool change spindles.

The gear motor refers to the reducer and the motor. It can be divided into DC geared motors and AC geared motors. It is widely used. You may encounter work abnormalities in daily life. Let's take a look at the troubleshooting of the geared motor.

Squirrel cage induction motor is a three-phase asynchronous motor with rotor windings made of copper or aluminum strips instead of copper strips, welded with short-circuit rings. Squirrel cage induction motor failure is mainly divided into two parts: mechanical and electromagnetic.

Vibration motor is installed at both ends of the rotor shaft each set of adjustable eccentric block, and then use the centrifugal force generated by high-speed rotation of shaft and eccentric block. Its purpose is to get the exciting force. It has a wide range of vibration frequencies. Only when the excitation force and power are properly matched can the mechanical noise be reduced. There are six types of vibration motors, which are classified according to starting and running mode and running speed.

Vibration motor is a power source and vibration source combined as one of the exciting source. Its exciting force is easy to use, and has the advantages of high utilization rate, low energy consumption, low noise, long life and so on. They can be applied to general vibration machinery, such as: vibration crusher, vibrating screen extension machine, vibration baler, vibration shakeout machine, vibration molding machine, vibration pile driver, vibration hoist, vibration filling machine, silo vibration arch broken anti-occlusion device and so on. They are widely used in hydropower construction, thermal power generation, construction, building materials, chemical industry, mining, coal, metallurgy, light industry and other industrial sectors.

The advantages of indoor high voltage vacuum circuit breaker are not only oil-free equipment, but also long electrical life. It has mechanical life, large breaking insulation capacity, strong continuous breaking capacity, small volume, light weight, frequent operation, fire free, less operation and maintenance, etc. And they are quickly recognized by the operation, maintenance and technical personnel of the power department. The quality of some high voltage vacuum circuit breakers is not stable enough, the current carrying voltage is on the high side during operation and some vacuum interrupters still have air leakage. With the wide application of vacuum circuit breaker, faults also occur from time to time. The author analyzes the common faults of vacuum circuit breaker and gives treatment methods.

As a reactive power compensation device, the capacitor is an important equipment for the safe operation of the power grid. It plays an important role in adjusting the voltage of the power grid, reducing line losses, and improving the quality of power supply. But in actual application, due to the influence of human factors and various aspects of the environment. The capacitor frequently fails during operation, which affects normal operation. The following is an analysis of related failures about capacitance.

Dehumidifiers are becoming more and more accepted by people. Dehumidifiers can be seen in hotels, production workshops, storage warehouses and even daily life. For example, ATO's Commercial dehumidifiers and Industrial dehumidifiers have the characteristics of low noise, energy saving and high efficiency, which are very suitable for commercial or industrial environments. As an electrical appliance, it is inevitable that there will be malfunctions. The following is an analysis of the related failures of the dehumidifier.

In the daily use of handheld inkjet printer are encountered in the process of some problems. Generally speaking, the working principle of online inkjet printers is more complex, and when a failure occurs, you usually need to contact the inkjet printer manufacturer's staff to guide the maintenance. While the working principle of handheld inkjet printers is relatively simple, as long as know the common processing methods, the fault can be easily resolved, and ATO's editor will explain it to you below.

In the machinery industry, almost every machine tool equipment needs to use a control transformer. It is often used as a local lighting power supply, signal lamp or indicator power supply, and as a control circuit power supply in electrical equipment. However, when in use, you may encounter the problem of the control transformer being burned out. What is the cause?

At present, with the acceleration of the process of industrial control automation, especially for industry, paperless recorder becomes a necessary tool. According to the change value recorded by the paperless recorder, it can reflect the temperature and humidity changes in the storage, production, transportation and other processes at any time, and through professional PC analysis software, it will help enterprises to conduct more scientific and effective management, analysis, and induction, which greatly improves the work process and efficiency.

With the construction and development of industry, many industries such as metallurgy, electronics, and coating have put forward higher requirements for the extraction of gas or particles from equipment. The large demand for industrial production and the rapid development of technology have made the production process of vacuum pumps continue to improve. Gradually occupy a larger market share in industrial production. With the continuous improvement of the level of vacuum pump manufacturing technology, the structural design of vacuum pumps is more refined, and different equipment structures also enable vacuum pumps to work in different industrial environments. Different types of vacuum pumps are driving the industry with a rapid growth momentum. Rapid development. The following form is a brief list of common problems and maintenance methods.

The fourth step is to check the piston system. After disassembling the piston, it is required to check if the piston is polluted, clean the piston, smear lubrication oil, re-install the piston, and recheck if the pipetting volume is still low. If the problem can not be solved, please deliver to the supplier. If there are serious problems such as aging of the sealing ring or rust of the piston, please also send it to the supplier for handling. Generally, users are not recommended to replace the accessories after purchasing the accessories from the supplier.

Check whether the sealing device and piston are polluted. The piston should be glossy and free of corrosive rust. If it is contaminated, clean it with distilled water or isopropyl alcohol, and then wipe it with a non-woven cloth. At the same time, note that before re-installing, check whether the inner wall of the handle is clean and ensure that all parts are completely dry.

When using the fixed combustible gas detector, it is inevitable that there will be some failures. Then, why do these failures occur, and how can we troubleshoot them? The following are simple examples of several troubleshooting methods.
In the process of using the combustible gas detector, it should not be installed close to the air conditioner and heating equipment. If the cold or warm air directly flows to the gas detector, it may cause the change of electrical resistivity of the alarm platinum wire and then the error occurs. Therefore, the alarm should be located far away from air conditioners and heating equipment to avoid the gas detector failures caused by improper placement.

When a fault occurs during the use of the laser marking machine, the problem should be solved in time, otherwise it will directly affect the workshop output. Actually, the maintenance of the laser marking machine is a little troublesome, but the working principle is very simple, so many problems can be solved by the operator without professional technicians. Here are several common problems and causes of laser marking machine.

The installed rotor of a rotary vane vacuum pump is tangent to the stator fixed surface inside the pump eccentric, two or more rotary vanes slide in the rotor slot and contact with the inner wall of the stator, which makes the pump chamber divided into several variable volumes.

Generally, the clearance between the rotary vane and pump chamber is sealed by oil, so the rotary vane vacuum pump is usually an oil seal mechanical vacuum pump.

The rotary vane vacuum pump can remove the dry gas from the sealed container. It can remove a certain amount of condensable gas if it has gas ballast device. However, it is not appropriate to remove some gases that are highly oxygenated, corrosive to metals, react chemically to pump oil, and contain particulate dust.

The rotary vane vacuum pump failure is divided into operation failure and performance failure.

The air compressor is a compressed gas equipment that is applied for every process of industrial production. As an important industrial equipment, the air compressor provides pneumatic power sources, which is a core device of the pneumatic system. It changes mechanical energy of dynamic into gas pressure energy, which is an air pressure generating device of compressed air. However, if some problems occur in the air compressor, how should we discover and resolute?

The water chiller is a water cooling equipment, which can provide constant temperature, constant current and constant pressure. The principle of the water chiller is that a certain amount of water is injected into internal water tank, making refrigerating system cools the water, and then water pump inside the machine injects cryogenic freezing water into an equipment which needs to cool back. The frozen water takes away calories inside the machine, then high temperature water backflow in water tank cools down. Cycle alternation cool reaches a function that cools equipment.