What is the fault with Hisense refrigerator displaying E4? Hisense refrigerator fault repair
Refrigerators are gradually becoming intelligent, which has brought a lot of convenience to our lives. Of course, there are drawbacks, and refrigerators are prone to failure. This article introduces how to repair the refrigerator’s E4 failure. Let’s take a look!
1. What is the fault of Hisense Refrigerator e4?
1. There are many possibilities for refrigerators to display e4. Three temperature sensors will be installed inside the refrigerator, namely the refrigerator and freezer, as well as a dedicated temperature sensor for the variable temperature area.
2. This is actually very good. When the sensor fails, an undamaged sensor can also provide temperature detection.
3. The fault confirmation after the sensor is damaged is to find the sensor’s temperature sensing head and measure whether the resistance values of the sensor’s temperature sensing probe are different. The e4 fault code will appear at different times.
4. We also need to pay attention to the voltage of the refrigerator. When the normal sensor voltage is 25 degrees, the temperature sensing head voltage is between 2 and 2.5V. If there is no such performance, the refrigerator sensor is damaged.
5. Our body is at a constant temperature. At this time, we can try to hold the temperature sensor with our hands, and its voltage will change by 2.17V. If this action is performed, the refrigerator will be in an e4 failure.
6. Unplug the sensor’s temperature sensing tip, find the two terminals, find the terminals of Haier refrigerator, and use a multimeter to measure the resistance value, so that the measured resistance value is 25 degrees for the temperature sensing tip.
7. The resistance value of the resistor is about 8v, and the temperature probe of the sensor will generally be 10v, which means there will be some errors. In this case, the air conditioner displays an e4 fault code.
8. After the e4 fault code appears in the refrigerator, you need to check it according to the above description, and you can also know where the e4 fault of the refrigerator is. When the connecting wire of the sensor is disconnected, it must be disconnected. Open the section to connect.
9. After connection, it is still an e4 fault code, and the sensor itself needs to be checked. Generally, the thermal head is damaged. At this time, it is necessary to replace the temperature sensing head of the refrigerator to eliminate the fault point of e4.
10. The refrigerator e4 fault code indicates that the refrigerator sensor is damaged. The e4 fault code display is very obvious and the refrigerator will not be able to cool. It is also a very large failure, and the number of occurrences is also very common. The way to deal with a failure is to replace it with a new one.
11. Refrigerator is a relatively important household appliance for us, and more attention should be paid to the maintenance of refrigerators. The faulty refrigerator cannot operate, and the freezing conditions are very poor during operation.