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Maintenance cases of air conditioning without refrigeration
Source: http://xrqa.cn Author: Mianyang Changhong air conditioning after sales maintenance update date: June 8, 2020 18:30
Recently, we received a maintenance call from a customer in Shanghai who reported that the air conditioner was not hot. Generally speaking, we know that air conditioning does not emit heat. There are four-way valve crosstalk, one-way valve leakage, air filter blockage, low ambient temperature, frost controller failure and auxiliary electric heating function failure.
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It is clear from the above what causes the non heating. However, after years of user maintenance research, users usually can not distinguish the specific cause of the fault. If the air conditioner cannot be started in summer, the user will say that it is uncooled. If the air conditioner fails to start in winter, it is said that it has no heating. Communication with users is also troublesome. In general, it is difficult for users to restate the issue clearly.
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The problem we get from Shanghai customers is that the air conditioner is not heated. We asked the user about the error in detail. The user does not know the specific problem, only knows why the air conditioning is not good, that is, it does not generate heat. Therefore, we send after-sales service personnel to provide on-site service. Due to regional differences, it took more than an hour for our after-sales service personnel to arrive at the customer's home. After obtaining the user's consent, we checked the air conditioner and found that the air conditioner failed due to lack of electricity. First of all, we tested whether the power supply of the air conditioner is faulty. We found that the power supply of the air conditioner is in good condition and there is no fault. After the power supply, we measured the power supply and found that the power supply was not electrified. Later, the after-sales personnel measured the socket and found that there was no electricity.
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Therefore, the after-sales personnel initially judged that the socket was dead and the air conditioner was broken, which had nothing to do with the air conditioner. However, we still checked the overall condition of the air conditioner and found that there was no problem with the air conditioner. Our after-sales personnel checked the whole production line again and found that there was a switch control socket in the user's home. When the switch is on, it will also turn on. When the user sees the switch, he knows why he can't always turn on the air conditioner, but he doesn't turn on the power.
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In the face of such a situation, our after-sales service personnel are still actively solving problems for users. Dajin air conditioner is also committed to providing users with a good after-sales experience?? Every user can use Dajin air conditioner anytime and anywhere. At the same time, we also hope that all air conditioning users or household appliances users can check whether it is caused by some simple reasons. For example, if the air conditioning mode is not set, the air conditioner will not heat up, or the power cord of the air conditioner is not plugged in, and so on. If we find these simple cases, we can solve them. This not only saves your own time, but also saves after-sales resources. Because in summer or winter, when the air conditioning collective failure, we will encounter various problems, but after-sales resources are limited. If we can make a clear judgment on the fault, we can save some after-sales resources.
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At the same time, after-sales will take every user seriously. As long as your air conditioner fails, we will help you solve the problem. There is always a substitute between man and air!