Official) Nanning Haier central air-conditioning after-sales maintenance point "Manufacturer Service Demonstration Outlet"

Official) Nanning Haier central air-conditioning after-sales maintenance point "Manufacturer Service Demonstration Outlet" Nanning Haier central air-conditioning after-sales maintenance service hotline Haier air-conditioning after-sales customer service mobile phone hourly repair hotline (Nanning special line)
After-sales maintenance does not start, does not turn on, and the indicator light is off Bright, no heating, leakage, move the machine, add fluoride, automatic shutdown, no cooling, fault code,
Service target Service defects, customer satisfaction, as long as you call the company's hourly repair hotline,
our company will We will serve you wholeheartedly as soon as possible!
Build a well-known brand of Haier central air-conditioning after-sales service and lead the industry standard standard service market star service process
The first step is to call the service hotline. Call the service hotline and describe the issue of the appliance. fault, and leave your contact information and address.
The second step is to make an appointment for service time. You need to negotiate an appropriate on-site repair time based on your time schedule and our scheduling arrangement. We will arrive at the designated location on time according to the scheduled on-site repair time.
The third step is to start the inspection and predict the cost. After visiting the door, the after-sales service technician will first check the general cause of the electrical failure and report the cost of after-sales service for the failure
The fourth step is to carefully troubleshoot if you Once you agree on the service fee, we will immediately provide after-sales service to your machine until the fault is completely eliminated. After troubleshooting, you can turn on the computer and confirm that the fault has been repaired.
The fifth step is to fill in the formal warranty form. In order to solve your worries, we will leave a voucher for the services provided, which indicates the cause of the failure, after-sales service results, after-sales service fees, warranty time, and our company's service line.
Examples of Haier air conditioner troubleshooting
Case 1. Air conditioner not cooling, communication failure
Fault phenomenon Indoor unit running light flashes (other lights are off and the indoor and outdoor units do not work
Cause analysis based on user feedback In the situation, the power is turned on and works normally, and there is no user-reported situation. However, after about a minute, the indoor and outdoor units stop working, the operating light on the control panel flashes, and the air conditioner does not respond when pressing any button. Unplug the power and try again. The machine can work normally. , but the same fault occurred again minutes later. Since the air conditioner was cooling normally before the shutdown, there was no problem with the system. It was initially judged to be an external signal problem. From the fault display code provided by the company, it can also be concluded that it was a communication fault. Measure the signals of the internal and external machines. The connection line is normal, so there is a problem of external signal interference.
The solution is to connect ceramic capacitors in parallel between the computer board signal lines, or replace the anti-interference computer board produced by Huafa and the fault is eliminated.
Experience summary during maintenance , be good at observing the indication status of the panel when a fault occurs, and quickly find the cause of the fault according to the fault code provided by the company. If the outdoor pipe temperature sensor fails or the signal connection line of the indoor and outdoor unit is disconnected, the timing indicator light without digital display function will flash times/second, such as If there is a digital display function, the code will be displayed, the three-phase series temperature lights will flash, and the other indicator lights will be off.
Case 2. The transformer is broken
The fault phenomenon will not be reflected when the power is turned on
Cause analysis According to the fault analysis, First check the power supply, there is input, eliminate the power supply problem, measure the power plug, the resistance is infinite, the fuse may be burned out or the transformer is burned out, open the indoor unit panel and check the main board, the fuse is good, when measuring the transformer, it is found that the primary circuit is open.
Solution: Replace the transformer, the test machine is normal, and the fault is eliminated.
Experience summary: If the whole machine does not respond when powered on during maintenance, you should start with the power circuit, so that the fault can be quickly and accurately found.
Service Guidelines for Haier Air Conditioning Maintenance Personnel
〈〉All maintenance service personnel shall charge fees according to regulations
〈〉When providing maintenance services, they shall be responsible for the warranty period according to the prescribed warranty period
〈〉In principle, use original parts for accessories High-quality accessories, guaranteed service life
〈〉Aim to solve faults and satisfy customers
〈〉Act quickly and try to meet the customer's schedule guidelines as much as possible!
Nanning Haier air-conditioning repair center phone number< br/> . Our customer service representatives will provide you with professional consultation and answers!
. We will arrange excellent service engineers from the nearest after-sales service outlets to come to your door on time according to your agreed time!
. While providing high-quality services, engineers will explain the working principle and operation process of the product to you in detail!
. At the end of the service, the engineer will take the initiative to explain to you the common sense of product use and guide you in its use!
. Your service The information will be fed back to the Haier Customer Service Center simultaneously, and we will arrange regular return visits by customer service personnel!
Unified service hotline for hourly service (order dispatch) in the city