Some time ago, the air conditioner beeped but did not respond when plugged in. After careful inspection, it turned out that the air conditioner settings were wrong. In addition to setting problems, is there any other reason why the air conditioner did not respond when plugged in? If the air conditioner does not respond when plugged in, it means it is abnormal. Generally, the air conditioner will make a beep when the power is turned on. If this sound does not appear, it means the air conditioner is not connected to the power supply.
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1. Air conditioning socket problem or line problem
If the air conditioner plug is plugged into the power strip, You can try to check whether the power strip is damaged or has leakage protection. You can use other electrical appliances to test whether the power strip has power, or you can use multimeter to check.
Another situation is that the air conditioner is directly plugged into the wall panel. In this case, if the air conditioner buzzes but does not respond when plugged in, you can check whether the wall panel is damaged by using multimeter After inspection, according to the specific problem analysis, if the wall panel is broken, just replace it. If there is a short circuit in the line, the cause needs to be screened to solve it in a targeted manner.
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2. If the air conditioner is broken due to its own reasons,
If the air conditioner is broken, then plug it in. The air conditioner will beep once but not respond. Generally, the air conditioner will not respond when plugged in. Exclude the socket and wall. After the panel problem occurs, it can only be the fault of the air conditioner itself.
carefully and step by step check whether the air conditioner fuse is blown, whether the voltage regulator block has 6V and 12V outputs, whether the transformer has 13.5V and 9V outputs, whether there is a 2.2v voltage output, and whether the chip has a 5V voltage output, etc.
3. Protection function
In order to protect the life of compressor , many air conditioner circuit boards are designed with protection circuits in the control circuits. The press will start after a delay of minutes. When the heating and cooling air prevents the air conditioner from working, and the temperature of the indoor unit coil is lower than a certain value, the air conditioner may beep but not respond when plugged in.
Detailed consultation: 400-0620-061
The above is all about "Why does the refrigerator compartment always freeze?" After reading the above answers, do you have a certain understanding of this?
