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Anonymous users2024-02-06After the freeze dryer has been working for a period of time, a layer of frost will form on the surface of the freezer evaporator. When the frost layer reaches a certain thickness, it will affect the endothermic effect of the evaporator. Generally, when the thickness of the frost layer is 4-6 mm, it is necessary to defrost.
Single-door direct-cooling refrigerators mostly use semi-automatic defrosting devices. The semi-automatic defrost device button is in the temperature controller, and its structural elements are combined with the thermostat elements, so this thermostat is also called the semi-automatic defrost temperature controller. The buttons of this defrosting device are all red and eye-catching.
When you need to defrost, as long as you press the defrosting button, the compressor will automatically stop, the temperature in the box will rise, the frost layer will begin to melt, and when the defrosting is completed, the button will automatically pop up, and the compressor will work again.
Most semi-automatic defrosting units stop when the red button is pressed, and the button automatically pops up to reset after defrosting, and the compressor resumes operation. There are also. Some domestic semi-automatic frosting devices, the defrosting device button pops up and resets immediately after pressing, but at this time the compressor has stopped, the defrosting has begun, and the user should not think that the defrosting button is faulty.
In addition, when semi-automatic frosting, users should note that it must be carried out only after all the frozen food in the freezer has been used. Otherwise, the compressor will stop working, the temperature in the box will rise, and the frozen food will melt together with the frost layer, affecting the quality of the food.
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Anonymous users2024-02-05Sometimes the temperature of the cold room is very good, sometimes the temperature rises to 8-10 degrees, and the cold room does not work.
Door-to-door observation, the refrigerator worked normally after the power was turned on, but after the next day, the temperature of the refrigerator rose to 8 degrees and there was still no air conditioning.
1) There is no improvement in changing the display board, so in order to solve the problem completely, send the dryer to the service center for inspection.
2) After careful analysis, the motherboard and the display board are unlikely to have problems, from the phenomenon point of view, it is the same phenomenon as our common cold room temperature head failure, but the maintenance department said that the new temperature head was replaced, so the reason is **?
3) Dig up the temperature sensing head of the evaporator in the refrigerated room, find the problem, the temperature sensing head of the refrigerated evaporator is used in the refrigeration chamber and there is water in the insulation layer, and there are ice cubes near the temperature sensing head.
4) Blow the water near the temperature sensor head clean with a hair dryer, replace it with a new R evaporator temperature sensing head, foam, and the refrigerator is working normally.
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