Simple elimination of malfunction after high and low temperature test chambers are deactivated
Some users consider the use of high and low temperature test chambers for several months when they do not use high and low temperature test chambers. When it was to be re-enabled, it was found that the high and low temperature test chambers were in an abnormal state of operation. In fact, this is not a damage to the high and low temperature test chambers, and it is usually handled by simple processing. The following are just a few examples;
Example 1: When the user activates the high and low temperature test chamber, it is found that the compressor has a “beep†sound but does not operate, and the “beep†sound of the thermal (overload) protection relay can be heard continuously. Ask the user that everything is normal before the high and low temperature test chamber is deactivated. After inspection, the internal refrigeration engine oil dried up, causing difficulty in starting. When repairing, use a wooden stick to strike, vibrate the compressor, and turn on the power switch to work normally.
Example 2: A high and low temperature test chamber, when the compressor is running normally, but the high and low temperature test chamber cannot be cooled. After inspection, the filter of the high and low temperature test chamber is dirty. This is because after the deactivation, the freezer layer formed by the oil stain and the filter mesh inside the impurity filter are blocked, which hinders the circulation of the refrigerant in the system. When repairing, use the electric iron and hair dryer to warm the filter. As the temperature increases, the oil will become thinner and softer. At this time, start the compressor and hit the compressor with a wooden rod or rubber hammer to connect the filter. The high-pressure liquid in the road just flushes the grease and restores the refrigeration of the high-low temperature test chamber to normal. It is recommended to disable the user of the high and low temperature test chamber. It is best to start the machine 1-2 times a month, each time running 2-3 hours to avoid such failure.
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