What does an inverter alarm mean? What does this inverter alarm mean?

1. Caused by incorrect parameter setting. If the acceleration time of the inverter is set too short, the change of the output frequency of the inverter is much more than the change of the motor frequency, and when the inverter is started, it will trip due to overcurrent. This fault can be eliminated by adjusting the acceleration time accordingly depending on the load situation.

2. If the output load is short-circuited, if an TECO inverter trips when it is started, check the contactor on the output side.

The cable head part is corroded and loose, and arcing occurs when the machine is turned on, resulting in protective action. 3. The damage of the detection circuit will also display a transition alarm. Among them Hall sensors.

Affected by environmental factors such as temperature and humidity, the working point drifts. 4. Excessive load may also be caused. For example, a Siemens M420 inverter is stuck due to mechanical jamming.

5. Frequency converter under-voltage and over-voltage alarm, which is caused by the main power supply; There are also machine detection circuits that are damaged and caused.

A drive alarm usually indicates that the drive is faulty or in an abnormal condition that needs to be repaired or treated. Different inverter brands and models, their alarms** may be different, you need to check the corresponding instruction manual or contact the manufacturer for troubleshooting. Common types of inverter alarms include overcurrent alarm, overload alarm, overvoltage alarm, undervoltage alarm, overheating alarm, stall alarm, etc.

Your inverter should be Yaskawa 616G5, the meaning of the RH alarm is: the installation of the braking resistor is overheated, and the protection of the braking resistor set by L8-01 has been activated; The possible reasons for the RH alarm of the inverter are: 1. The deceleration time is too short; 2. The motor has large regenerative energy; The measures to solve the RH alarm of the inverter are Youbi:

1. Reduce the load; 2. Extend the deceleration time; 3. Reduce the speed; 4. Replace the braking resistor unit with a new one.

Summary. Inverter alarms may be caused by equipment failure, load overload, circuit protection devices, etc. Generally speaking, when the inverter automatically alarms, it is necessary to find out the cause of the fault and take necessary measures to solve the problem.

The inverter alarm may be caused by equipment failure, slag Chibi load overload, circuit protection device, etc. Generally speaking, when the inverter automatically alarms the problem, it is necessary to find out the cause of the fault and take necessary measures to solve the problem.

First of all, it is necessary to check whether there is any fault in the inverter hardware, such as damaged capacitors, disconnected main circuit boards, failure of code brother optocouplers, etc. If a fault is found, it can be repaired or the relevant parts of the drive can be replaced. Secondly, Li Mosan should determine whether it is the load overload that causes the inverter to alarm.

If yes, the right measures should be taken, such as reducing the load, increasing the output power of the inverter, etc. Finally, it is also necessary to check whether there is a problem with the circuit of the inverter, whether it has been damaged or malfunctioned. If so, it should be replaced as soon as possible.

This triangle, what does it mean to turn on the red light, it is like this, it is generally necessary to combine the manual, the product is different, the general green does not flash and operate normally, and the red is voltage protection, voltage protection. What happens when it's lit? Will there be questions?

A red color indicates a fault.

Generally, it is necessary to troubleshoot the problem.

Overcurrent, overvoltage, undervoltage, overheating, short circuit, etc.

It depends on the specific fault**.

If you don't know how to check and repair yourself, it is recommended that a professional master take a look.

Summary. 1. Caused by places where the use environment is relatively bad; 2. Caused by improper parameter debugging; 3. Lack of maintenance of the inverter; 4. The mismatch between the inverter and the load is also one of the reasons for the alarm; 5. It is caused by a problem with the internal electronic circuit of the cheek converter.

1. Caused by places where the use environment is relatively bad; 2. Caused by improper parameter debugging; 3. Lack of maintenance of the inverter; 4. The inverter and the load are not quietly matched, which is also one of the reasons for the alarm; 5. It is caused by a problem with the electronic circuit in the cheek transformer.

There are two types of frequency converter voltage frequency and attitude rate control methods, one is the rectifier voltage conversion and inverter frequency conversion control mode, which is carried out in the inverter circuit. The second is the inverter voltage conversion and frequency conversion mode, which is carried out at the same time in the inverter circuit. By detecting the output current and voltage, and vector conversion, the inverter can detect the magnetic field phase of the motor, and then obtain the speed of the motor, so it can obtain a high low-frequency starting torque and dynamic force and torque response.

There is a PG vector control mode that can obtain higher speed control accuracy and faster dynamic torque response performance, which is generally used in synchronous control occasions that require accurate control of speed or torque, and is also used in occasions that require pulse feedback of motor running speed, such as elevator control.

Cause of the failure

1. The control circuit board is faulty, and the control signal cannot be received and sent.

Solution: Repair and replace the control circuit board.

2. The sensor is damaged and the resistance value is wrong.

Solution: Replace the sensor.

3. The fuse is burned.

Solution: Repair and replace the fuse.

Classification

1 Classified by input voltage level.

According to the input voltage level, the inverter can be divided into low-voltage inverter and high-voltage inverter, and the low-voltage inverter is common in China with single-phase 220 V inverter, three-phase 220 V inverter, and I-phase 380 V inverter. There are 6 kV and 10 kV transformers commonly used in the high-voltage inverter of the limb town, and the control mode is generally converted according to the high-low-high-inverter or high-high-inverter.

2 Classification by method of transforming frequency.

According to the frequency conversion method, the inverter is divided into AC-AC inverter and AC-AC inverter. AC-AC inverter can directly convert power frequency alternating current into AC with controllable frequency and voltage, so it is called direct inverter.

AC-DC-AC inverter converts the power frequency alternating current into direct current through the rectifier device, and then converts the direct current into alternating current with adjustable frequency and voltage, so it is also called indirect inverter.

3 Classification of hunger by the nature of the DC power source.

In the process of converting the main circuit power supply to DC power supply, the nature of DC power supply is divided into voltage type frequency converter and current type frequency converter.