➣➣This article will talk about p4 and the knowledge points corresponding to p40pro. I hope it will be helpful to you. Don’t forget to bookmark this site. Article catalog: 1. What is the fault of P4 of Midea air conditioner? 2. What is the fault code of P4 of Midea air conditioner? 3. What is the level of p4 in Ali?? 4. What does p4 mean? , Midea inverter air conditioner shows that the fault of p4 is: the indoor evaporator protects the compressor, indicating that the temperature of the compressor of the indoor machine is too high or too low. This failure is usually due to a problem with the indoor evaporator. 2. Midea's inverter air conditioner shows that the fault of p4 is: the indoor evaporator protects the compressor, indicating that the temperature of the compressor of the indoor unit is too high or too low. This failure is usually due to a problem with the indoor evaporator. When P4 fails, check if the temperature sensor is working properly. 3. The display p4 of the air conditioner inverter on-hook is a communication failure between the indoor main board and the display board or a dust removal reset failure. P4 displayed on the fixed-speed on-hook machine is the filter reset failure; P4 displayed on the fixed-speed cabinet machine is an indoor and outdoor communication failure or electrostatic precipitator failure; P4 displayed on the frequency conversion cabinet machine is the communication failure between the indoor main board and the display board. 4. First: The display p4 of the air conditioner inverter on-hook is the communication failure between the indoor main board and the display board or the dust removal reset failure. Second: The constant speed on-hook display p4 is the filter reset failure. Third: The display of p4 on the fixed-speed cabinet machine is an indoor and outdoor communication failure or electrostatic precipitator failure. Fourth: The frequency conversion cabinet displays p4, which is a communication failure between the indoor main board and the display board. 5. The P4 failure of the Midea air conditioner may be due to the following reasons: Internal sensor failure: The internal sensor of the air conditioner fails, causing the system to fail to operate normally. Circuit board failure: The air conditioner circuit board fails, causing the system to fail to operate normally. Power failure: The power supply of the air conditioner fails, causing the system not to operate normally. What is the fault code of Midea p4? 1. Midea inverter air conditioner shows that the fault of p4 is: the indoor evaporator protection turns off the compressor, indicating that the temperature of p4 of the indoor machine compressor is too high or too low. This failure is generally due to a p4 problem with the indoor evaporator. 2. P4 is displayed on the air conditioner frequency conversion on-hook, the communication failure between the indoor main board and the display board or the dust removal reset failure; the constant speed on-hook display p4 is the filter reset failure; the constant speed cabinet display p4 is the indoor and outdoor communication failure or the electrostatic dust removal failure; the frequency conversion cabinet It shows that p4 is a communication failure between the indoor main board and the display board. 3. The P4 fault code usually indicates that the exhaust temperature of the outdoor unit compressor is too high, which may be caused by the following reasons: the radiator of the outdoor unit is blocked or poorly cleaned, resulting in poor heat dissipation. The fan of the outdoor unit is faulty or the speed is insufficient, resulting in poor heat dissipation. The internal fault of the outdoor unit compressor causes the exhaust temperature to be too high. 4. The Midea air conditioner shows that P4 means that the air conditioner has indoor evaporator protection, which is usually caused by a sensor failure. What is Ali’s P4 level? P4 is a specialist, fresh undergraduates, and there is no corresponding management post. At present, there are very few P4s. Ali’s school recruitment basically starts at P5, as long as the level is high. P5 is a senior engineer, a fresh graduate student, and a high-level fresh undergraduate. In Ali, the general levels of the technical department are: P4 Fresh undergraduates who have just entered Ali P5 Fresh graduates or undergraduates who have worked for 1-3 years P6 Senior developers P7 Generally technical experts Ali’s interview first determines the level and then the salary, so the interview The higher the post-level rating, the higher the position and salary. The specific classification of Ali is as follows: PP2: general vacancies, reserved for very low-end positions. Ali’s official definition is from P1-P14. Before 11 years, P4 will be recruited, and there will be no more after that. The school’s enrollment starts from P5+. P4 Have relevant professional education background or working experience. In the rank system of Ali employees, P14 is a very high level. Generally, only the company's top managers and core technology leaders can reach this level. Specifically, the following are some people who may reach the P14 level: Senior managers such as company presidents or vice presidents. What does p4 mean on the Internet? This is a common term derived from the Internet for abbreviation. Stalk is an Internet term that often appears in variety shows and the Internet. 2. There is no such thing, P4 is much worse than your computer. P4 refers to the Pentium 4 processor, which has long been eliminated. It stands to reason that the performance of your computer has met the requirements required to play CF. Your computer card is not configured too low, it should be other reasons, such as network speed, virus and so on. 3. There is a corresponding relationship between P and M: P3 and below, low-end functional posts and outsourcing. In the early years, P3 was recruited by the school, but now it is gone. P4=Specialist, fresh undergraduates, no corresponding management posts, and there are very few P4s at present. Ali’s school recruitment basically starts at P5, as long as the level is high. 4. The p4 and p5 level engineers mentioned in the IT industry should be viewed according to the level of different companies. For example, in Alibaba, p4 and p5 belong to junior engineers, and they can reach p5 after graduation. What does Midea air conditioner p4 mean? The inverter air conditioner of Midea p4 shows that the fault of p4p4 is p4: the indoor evaporator protects the compressor, which means that the temperature of the compressor of the indoor machine is too high or too low. This failure is usually due to a problem with the indoor evaporator. Midea inverter air conditioner shows that the fault of p4 is: the indoor evaporator protects the compressor, indicating that the temperature of the indoor compressor is too high or too low. This failure is usually due to a problem with the indoor evaporator. When P4 fails, check if the temperature sensor is working properly. The air conditioner frequency conversion on-hook display p4 is the communication failure between the indoor main board and the display board or the dust removal reset failure. P4 displayed on the fixed-speed on-hook is the filter reset fault p4; P4 displayed on the fixed-speed cabinet machine is the indoor and outdoor communication failure or electrostatic precipitator failure; P4 displayed on the variable frequency cabinet machine is the communication failure between the indoor main board and the display board. P4: Indoor evaporator protection Turn off the compressor (high temperature or low temperature) means that the Midea air conditioner has indoor evaporator protection. In this case, the sensor of Midea air conditioner failed. The air conditioner frequency conversion on-hook display p4 is the communication failure between the indoor main board and the display board or the dust removal reset failure. On-hook at fixed speed shows that p4 is the reset fault of the filter. The display of p4 on the fixed-speed cabinet is an indoor and outdoor communication failure or electrostatic precipitator failure. The variable frequency cabinet displays p4, which is a communication failure between the indoor main board and the display board. In Midea's air-conditioning code, p4 means: indoor evaporator protection off compressor (high or low temperature) e2t2 sensor failure. Generally, this kind of p4 obstacle problem should be checked from the following three aspects. 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