Why does the excavator not respond to the remote control's instructions when it is remotely controlled?

With the rapid development of science and technology, household appliances in our daily life are also continuously upgraded. Nowadays, most of them are equipped with remote controls, so we don't need to operate them manually. We can easily control these home appliances by just lying on the sofa and moving our fingers, making life more convenient. Not only home appliances, but also some mechanized equipment fields have gradually realized remote control operation, and remote control excavators are typical representatives. However, in the process of using remote control excavators, there is often such a troubling problem: the remote control suddenly loses its response while using it. What's going on?

When the remote control excavator fails to start, it usually manifests as the motor not running. The reasons for this situation can be roughly summarized into the following two aspects:

1. AC contactor connection status: It is necessary to check whether the AC contactor is firmly connected. If the connection is loose, it may affect the transmission of current, which will cause the motor to fail to start.

2. Voltage stability: Whether the voltage is in a stable state is also a key factor. Unstable voltage may not provide enough power for the motor, causing the excavator to fail to start.

For the above problems, we can take the following solutions: First, carefully check whether the AC contactor and the voltage connector are well connected. Secondly, use a voltmeter to measure the voltage to determine whether the voltage is within the normal range.

If the remote control excavator does not start, you can also try the following frequency matching operation to solve it:

1. First press and hold the SET button on the remote control, and then turn on the power switch of the remote control. At this time, the LED light on the remote control will turn red and start flashing.

2. Then, press and hold the LINK button on the receiver and turn on the receiving power switch at the same time. When the LED lights of the receiver and the remote control turn green and stay on, it means that the frequency matching is successful. As a wireless transmitting device, the remote control uses modern digital coding technology to encode the key information and then transmit light waves through infrared diodes. After the light wave is received by the infrared receiver of the receiver, it will be converted into an electrical signal, then enter the processor for decoding, and finally demodulate the corresponding instructions, so as to realize the operation and control of equipment such as excavators to meet various work needs.

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