Repair commercial Haier wine cabinet to solve abnormal temperature and humidity

Repair commercial Haier wine cabinet to solve abnormal temperature and humidity

If you want to better preserve red wine, you must use a professional red wine cabinet. Haier Lexin and Bosch are good wine cabinet brands, and problems may occur during long-term use. We must pay attention to this and repair it early. When repairing a commercial Haier wine cooler, you must first consider its symptoms and then look for the cause. Next, Hong Kong Junhong Repair Center will share two repair cases.

1. Why is the temperature and humidity of the wine cabinet unstable?

When using a red wine cabinet on a daily basis, you should pay attention to changes in temperature and humidity. If the temperature and humidity control is abnormal, it can easily lead to abnormalities in the stored red wine. For example, the problem encountered when repairing commercial Haier wine cabinets was unstable temperature and humidity. Here are the specific troubleshooting methods as follows.

(1) When repairing a commercial Haier wine cabinet, first check whether the thermostat is faulty. After the power is cut off, use a multimeter to test the power supply and control motherboard as well as the thermostat circuit.

(2) After confirming that it is correct, continue to check the compressor. The initial judgment of the compressor status starts with the sound. After confirming that there is no abnormal sound from the compressor, use a multimeter to measure. The resistance range of the normal compressor is 10-20 ohms.

(3) Usually, after a comprehensive inspection of the compressor, if there is no abnormality, the refrigerant will be tested. First, check the refrigerant delivery system to ensure there are no leaks, and then look at the refrigerant content, etc., like many red wine cabinets that have a long running time. New refrigerant needs to be added to ensure the cooling effect.

(4) If the humidity of the wine cabinet is abnormal, it depends on the sealing and humidity control system. Since the control motherboard has been tested just now, it can be ruled out that the humidity control system is faulty, and then the seal can be detected. For example, if there is a problem with the sealing strip of the wine cabinet, it will As a result, the humidity cannot reach the predetermined humidity, and the sealing strip needs to be replaced.

2. Why is there frost inside the wine cabinet?

The case of repairing a commercial Haier wine cabinet just shared mainly focuses on abnormal temperature and humidity. Another common situation is internal frosting. When we use a red wine cabinet and there is internal frost, we must pay attention to it and conduct the following troubleshooting. .

(1) In the case of repairing a commercial Haier wine cabinet just now, it was mentioned that abnormal humidity may be due to insufficient sealing. If the humidity is too high, frost may easily occur, so first rule out whether the sealing is not good.

(2) If it is found that the sealing condition of the wine cabinet is good, the thermostat should be checked. When the thermostat fails, frost problems will occur, and a new thermostat should be replaced.

What is shared above is the repair case of a commercial Haier wine cabinet from Hong Kong Junhong Repair Center. When we encounter problems such as abnormal temperature, humidity, and frost, we should report for repair early to avoid major malfunctions in the wine cabinet and affect the storage of red wine.